Home / 509,276.07-702,555.25-339,292.71

Finding the Fourth Proportional to 509,276.07, 702,555.25 and 339,292.71

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Solution

The fourth proportional to 509,276.07, 702,555.25 and 339,292.71 is: 468,060.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    509,276.07 : 702,555.25 = 339,292.71 : x
  2. Step 2: Convert to fraction form
    509,276.07/702,555.25 = 339,292.71/x
  3. Step 3: Cross multiply
    509,276.07x = 702,555.25 × 339,292.71
  4. Step 4: Simplify right side
    509,276.07x = 238,371,874,697.23
  5. Step 5: Solve for x
    x = 238,371,874,697.23/509,276.07
  6. Step 6: Final answer
    x = 468,060.23

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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.