Home / 977,378.80-1,466,068.20-346,356.40

Finding the Fourth Proportional to 977,378.80, 1,466,068.20 and 346,356.40

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Solution

The fourth proportional to 977,378.80, 1,466,068.20 and 346,356.40 is: 519,534.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,378.80 : 1,466,068.20 = 346,356.40 : x
  2. Step 2: Convert to fraction form
    977,378.80/1,466,068.20 = 346,356.40/x
  3. Step 3: Cross multiply
    977,378.80x = 1,466,068.20 × 346,356.40
  4. Step 4: Simplify right side
    977,378.80x = 507,782,103,906.48
  5. Step 5: Solve for x
    x = 507,782,103,906.48/977,378.80
  6. Step 6: Final answer
    x = 519,534.60

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.