Home / 529,569.59-730,788.12-303,171.35

Finding the Fourth Proportional to 529,569.59, 730,788.12 and 303,171.35

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Solution

The fourth proportional to 529,569.59, 730,788.12 and 303,171.35 is: 418,366.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,569.59 : 730,788.12 = 303,171.35 : x
  2. Step 2: Convert to fraction form
    529,569.59/730,788.12 = 303,171.35/x
  3. Step 3: Cross multiply
    529,569.59x = 730,788.12 × 303,171.35
  4. Step 4: Simplify right side
    529,569.59x = 221,554,017,250.42
  5. Step 5: Solve for x
    x = 221,554,017,250.42/529,569.59
  6. Step 6: Final answer
    x = 418,366.20

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1.5x scale

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.