Home / 723,743.09-998,746.16-417,809.13

Finding the Fourth Proportional to 723,743.09, 998,746.16 and 417,809.13

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Solution

The fourth proportional to 723,743.09, 998,746.16 and 417,809.13 is: 576,565.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,743.09 : 998,746.16 = 417,809.13 : x
  2. Step 2: Convert to fraction form
    723,743.09/998,746.16 = 417,809.13/x
  3. Step 3: Cross multiply
    723,743.09x = 998,746.16 × 417,809.13
  4. Step 4: Simplify right side
    723,743.09x = 417,285,264,200.44
  5. Step 5: Solve for x
    x = 417,285,264,200.44/723,743.09
  6. Step 6: Final answer
    x = 576,565.46

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Double scale
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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.