Home / 913,251.90-1,369,877.85-493,347.90

Finding the Fourth Proportional to 913,251.90, 1,369,877.85 and 493,347.90

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Solution

The fourth proportional to 913,251.90, 1,369,877.85 and 493,347.90 is: 740,021.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,251.90 : 1,369,877.85 = 493,347.90 : x
  2. Step 2: Convert to fraction form
    913,251.90/1,369,877.85 = 493,347.90/x
  3. Step 3: Cross multiply
    913,251.90x = 1,369,877.85 × 493,347.90
  4. Step 4: Simplify right side
    913,251.90x = 675,826,360,554.02
  5. Step 5: Solve for x
    x = 675,826,360,554.02/913,251.90
  6. Step 6: Final answer
    x = 740,021.85

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Similar ratio
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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.