Home / 625,690.26-938,535.38-288,631.19

Finding the Fourth Proportional to 625,690.26, 938,535.38 and 288,631.19

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Solution

The fourth proportional to 625,690.26, 938,535.38 and 288,631.19 is: 432,946.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,690.26 : 938,535.38 = 288,631.19 : x
  2. Step 2: Convert to fraction form
    625,690.26/938,535.38 = 288,631.19/x
  3. Step 3: Cross multiply
    625,690.26x = 938,535.38 × 288,631.19
  4. Step 4: Simplify right side
    625,690.26x = 270,890,579,210.42
  5. Step 5: Solve for x
    x = 270,890,579,210.42/625,690.26
  6. Step 6: Final answer
    x = 432,946.77

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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.