Home / 765,401.74-1,146,462.36-622,569.04

Finding the Fourth Proportional to 765,401.74, 1,146,462.36 and 622,569.04

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Solution

The fourth proportional to 765,401.74, 1,146,462.36 and 622,569.04 is: 932,519.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,401.74 : 1,146,462.36 = 622,569.04 : x
  2. Step 2: Convert to fraction form
    765,401.74/1,146,462.36 = 622,569.04/x
  3. Step 3: Cross multiply
    765,401.74x = 1,146,462.36 × 622,569.04
  4. Step 4: Simplify right side
    765,401.74x = 713,751,970,861.34
  5. Step 5: Solve for x
    x = 713,751,970,861.34/765,401.74
  6. Step 6: Final answer
    x = 932,519.40

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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.