Home / 977,385.20-1,466,077.80-346,362.80

Finding the Fourth Proportional to 977,385.20, 1,466,077.80 and 346,362.80

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Solution

The fourth proportional to 977,385.20, 1,466,077.80 and 346,362.80 is: 519,544.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,385.20 : 1,466,077.80 = 346,362.80 : x
  2. Step 2: Convert to fraction form
    977,385.20/1,466,077.80 = 346,362.80/x
  3. Step 3: Cross multiply
    977,385.20x = 1,466,077.80 × 346,362.80
  4. Step 4: Simplify right side
    977,385.20x = 507,794,811,825.84
  5. Step 5: Solve for x
    x = 507,794,811,825.84/977,385.20
  6. Step 6: Final answer
    x = 519,544.20

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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.