Home / 908,043.04-1,253,107.88-500,146.39

Finding the Fourth Proportional to 908,043.04, 1,253,107.88 and 500,146.39

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Solution

The fourth proportional to 908,043.04, 1,253,107.88 and 500,146.39 is: 690,206.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,043.04 : 1,253,107.88 = 500,146.39 : x
  2. Step 2: Convert to fraction form
    908,043.04/1,253,107.88 = 500,146.39/x
  3. Step 3: Cross multiply
    908,043.04x = 1,253,107.88 × 500,146.39
  4. Step 4: Simplify right side
    908,043.04x = 626,737,382,462.55
  5. Step 5: Solve for x
    x = 626,737,382,462.55/908,043.04
  6. Step 6: Final answer
    x = 690,206.69

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Double scale
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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.