Home / 782,679.20-1,172,236.40-466,482.74

Finding the Fourth Proportional to 782,679.20, 1,172,236.40 and 466,482.74

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Solution

The fourth proportional to 782,679.20, 1,172,236.40 and 466,482.74 is: 698,661.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,679.20 : 1,172,236.40 = 466,482.74 : x
  2. Step 2: Convert to fraction form
    782,679.20/1,172,236.40 = 466,482.74/x
  3. Step 3: Cross multiply
    782,679.20x = 1,172,236.40 × 466,482.74
  4. Step 4: Simplify right side
    782,679.20x = 546,828,045,467.32
  5. Step 5: Solve for x
    x = 546,828,045,467.32/782,679.20
  6. Step 6: Final answer
    x = 698,661.78

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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.