Home / 758,618.92-1,138,488.32-359,258.92

Finding the Fourth Proportional to 758,618.92, 1,138,488.32 and 359,258.92

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Solution

The fourth proportional to 758,618.92, 1,138,488.32 and 359,258.92 is: 539,153.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,618.92 : 1,138,488.32 = 359,258.92 : x
  2. Step 2: Convert to fraction form
    758,618.92/1,138,488.32 = 359,258.92/x
  3. Step 3: Cross multiply
    758,618.92x = 1,138,488.32 × 359,258.92
  4. Step 4: Simplify right side
    758,618.92x = 409,012,084,275.81
  5. Step 5: Solve for x
    x = 409,012,084,275.81/758,618.92
  6. Step 6: Final answer
    x = 539,153.55

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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.