Home / 758,370.79-1,046,545.27-418,831.75

Finding the Fourth Proportional to 758,370.79, 1,046,545.27 and 418,831.75

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Solution

The fourth proportional to 758,370.79, 1,046,545.27 and 418,831.75 is: 577,984.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,370.79 : 1,046,545.27 = 418,831.75 : x
  2. Step 2: Convert to fraction form
    758,370.79/1,046,545.27 = 418,831.75/x
  3. Step 3: Cross multiply
    758,370.79x = 1,046,545.27 × 418,831.75
  4. Step 4: Simplify right side
    758,370.79x = 438,326,386,888.32
  5. Step 5: Solve for x
    x = 438,326,386,888.32/758,370.79
  6. Step 6: Final answer
    x = 577,984.27

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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.