Home / 713,456.76-1,069,246.26-398,062.20

Finding the Fourth Proportional to 713,456.76, 1,069,246.26 and 398,062.20

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Solution

The fourth proportional to 713,456.76, 1,069,246.26 and 398,062.20 is: 596,569.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,456.76 : 1,069,246.26 = 398,062.20 : x
  2. Step 2: Convert to fraction form
    713,456.76/1,069,246.26 = 398,062.20/x
  3. Step 3: Cross multiply
    713,456.76x = 1,069,246.26 × 398,062.20
  4. Step 4: Simplify right side
    713,456.76x = 425,626,518,597.37
  5. Step 5: Solve for x
    x = 425,626,518,597.37/713,456.76
  6. Step 6: Final answer
    x = 596,569.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.