Home / 886,871.10-1,330,306.65-620,931.90

Finding the Fourth Proportional to 886,871.10, 1,330,306.65 and 620,931.90

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Solution

The fourth proportional to 886,871.10, 1,330,306.65 and 620,931.90 is: 931,397.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,871.10 : 1,330,306.65 = 620,931.90 : x
  2. Step 2: Convert to fraction form
    886,871.10/1,330,306.65 = 620,931.90/x
  3. Step 3: Cross multiply
    886,871.10x = 1,330,306.65 × 620,931.90
  4. Step 4: Simplify right side
    886,871.10x = 826,029,835,767.14
  5. Step 5: Solve for x
    x = 826,029,835,767.14/886,871.10
  6. Step 6: Final answer
    x = 931,397.85

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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.