Home / 625,701.83-938,831.85-288,561.51

Finding the Fourth Proportional to 625,701.83, 938,831.85 and 288,561.51

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Solution

The fourth proportional to 625,701.83, 938,831.85 and 288,561.51 is: 432,970.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,701.83 : 938,831.85 = 288,561.51 : x
  2. Step 2: Convert to fraction form
    625,701.83/938,831.85 = 288,561.51/x
  3. Step 3: Cross multiply
    625,701.83x = 938,831.85 × 288,561.51
  4. Step 4: Simplify right side
    625,701.83x = 270,910,736,272.09
  5. Step 5: Solve for x
    x = 270,910,736,272.09/625,701.83
  6. Step 6: Final answer
    x = 432,970.99

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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.