Home / 977,345.60-1,466,164.20-346,209.80

Finding the Fourth Proportional to 977,345.60, 1,466,164.20 and 346,209.80

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Solution

The fourth proportional to 977,345.60, 1,466,164.20 and 346,209.80 is: 519,366.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,345.60 : 1,466,164.20 = 346,209.80 : x
  2. Step 2: Convert to fraction form
    977,345.60/1,466,164.20 = 346,209.80/x
  3. Step 3: Cross multiply
    977,345.60x = 1,466,164.20 × 346,209.80
  4. Step 4: Simplify right side
    977,345.60x = 507,600,414,449.16
  5. Step 5: Solve for x
    x = 507,600,414,449.16/977,345.60
  6. Step 6: Final answer
    x = 519,366.35

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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.