Home / 747,279.84-1,031,268.92-425,036.32

Finding the Fourth Proportional to 747,279.84, 1,031,268.92 and 425,036.32

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Solution

The fourth proportional to 747,279.84, 1,031,268.92 and 425,036.32 is: 586,563.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,279.84 : 1,031,268.92 = 425,036.32 : x
  2. Step 2: Convert to fraction form
    747,279.84/1,031,268.92 = 425,036.32/x
  3. Step 3: Cross multiply
    747,279.84x = 1,031,268.92 × 425,036.32
  4. Step 4: Simplify right side
    747,279.84x = 438,326,746,687.17
  5. Step 5: Solve for x
    x = 438,326,746,687.17/747,279.84
  6. Step 6: Final answer
    x = 586,563.06

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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.