Home / 761,118.62-1,050,298.62-416,885.90

Finding the Fourth Proportional to 761,118.62, 1,050,298.62 and 416,885.90

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Solution

The fourth proportional to 761,118.62, 1,050,298.62 and 416,885.90 is: 575,277.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,118.62 : 1,050,298.62 = 416,885.90 : x
  2. Step 2: Convert to fraction form
    761,118.62/1,050,298.62 = 416,885.90/x
  3. Step 3: Cross multiply
    761,118.62x = 1,050,298.62 × 416,885.90
  4. Step 4: Simplify right side
    761,118.62x = 437,854,680,215.97
  5. Step 5: Solve for x
    x = 437,854,680,215.97/761,118.62
  6. Step 6: Final answer
    x = 575,277.85

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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.