Home / 690,948.40-1,034,081.70-424,877.44

Finding the Fourth Proportional to 690,948.40, 1,034,081.70 and 424,877.44

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Solution

The fourth proportional to 690,948.40, 1,034,081.70 and 424,877.44 is: 635,876.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,948.40 : 1,034,081.70 = 424,877.44 : x
  2. Step 2: Convert to fraction form
    690,948.40/1,034,081.70 = 424,877.44/x
  3. Step 3: Cross multiply
    690,948.40x = 1,034,081.70 × 424,877.44
  4. Step 4: Simplify right side
    690,948.40x = 439,357,985,446.85
  5. Step 5: Solve for x
    x = 439,357,985,446.85/690,948.40
  6. Step 6: Final answer
    x = 635,876.70

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1.5x scale

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.