Home / 753,238.86-1,039,787.67-508,555.09

Finding the Fourth Proportional to 753,238.86, 1,039,787.67 and 508,555.09

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Solution

The fourth proportional to 753,238.86, 1,039,787.67 and 508,555.09 is: 702,020.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,238.86 : 1,039,787.67 = 508,555.09 : x
  2. Step 2: Convert to fraction form
    753,238.86/1,039,787.67 = 508,555.09/x
  3. Step 3: Cross multiply
    753,238.86x = 1,039,787.67 × 508,555.09
  4. Step 4: Simplify right side
    753,238.86x = 528,789,304,356.03
  5. Step 5: Solve for x
    x = 528,789,304,356.03/753,238.86
  6. Step 6: Final answer
    x = 702,020.74

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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.