Home / 747,275.82-1,031,263.38-425,032.32

Finding the Fourth Proportional to 747,275.82, 1,031,263.38 and 425,032.32

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Solution

The fourth proportional to 747,275.82, 1,031,263.38 and 425,032.32 is: 586,557.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,275.82 : 1,031,263.38 = 425,032.32 : x
  2. Step 2: Convert to fraction form
    747,275.82/1,031,263.38 = 425,032.32/x
  3. Step 3: Cross multiply
    747,275.82x = 1,031,263.38 × 425,032.32
  4. Step 4: Simplify right side
    747,275.82x = 438,320,266,932.44
  5. Step 5: Solve for x
    x = 438,320,266,932.44/747,275.82
  6. Step 6: Final answer
    x = 586,557.54

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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.