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Finding the Fourth Proportional to 585,210.47, 807,938.48 and 370,534.55

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Solution

The fourth proportional to 585,210.47, 807,938.48 and 370,534.55 is: 511,558.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,210.47 : 807,938.48 = 370,534.55 : x
  2. Step 2: Convert to fraction form
    585,210.47/807,938.48 = 370,534.55/x
  3. Step 3: Cross multiply
    585,210.47x = 807,938.48 × 370,534.55
  4. Step 4: Simplify right side
    585,210.47x = 299,369,118,001.13
  5. Step 5: Solve for x
    x = 299,369,118,001.13/585,210.47
  6. Step 6: Final answer
    x = 511,558.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.