Home / 934,345.60-1,403,073.60-513,923.20

Finding the Fourth Proportional to 934,345.60, 1,403,073.60 and 513,923.20

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Solution

The fourth proportional to 934,345.60, 1,403,073.60 and 513,923.20 is: 771,740.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    934,345.60 : 1,403,073.60 = 513,923.20 : x
  2. Step 2: Convert to fraction form
    934,345.60/1,403,073.60 = 513,923.20/x
  3. Step 3: Cross multiply
    934,345.60x = 1,403,073.60 × 513,923.20
  4. Step 4: Simplify right side
    934,345.60x = 721,072,074,347.52
  5. Step 5: Solve for x
    x = 721,072,074,347.52/934,345.60
  6. Step 6: Final answer
    x = 771,740.22

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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.