Home / 723,743.32-998,746.51-417,809.37

Finding the Fourth Proportional to 723,743.32, 998,746.51 and 417,809.37

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Solution

The fourth proportional to 723,743.32, 998,746.51 and 417,809.37 is: 576,565.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,743.32 : 998,746.51 = 417,809.37 : x
  2. Step 2: Convert to fraction form
    723,743.32/998,746.51 = 417,809.37/x
  3. Step 3: Cross multiply
    723,743.32x = 998,746.51 × 417,809.37
  4. Step 4: Simplify right side
    723,743.32x = 417,285,650,132.80
  5. Step 5: Solve for x
    x = 417,285,650,132.80/723,743.32
  6. Step 6: Final answer
    x = 576,565.81

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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.