Home / 783,624.80-1,175,437.20-547,695.20

Finding the Fourth Proportional to 783,624.80, 1,175,437.20 and 547,695.20

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Solution

The fourth proportional to 783,624.80, 1,175,437.20 and 547,695.20 is: 821,542.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,624.80 : 1,175,437.20 = 547,695.20 : x
  2. Step 2: Convert to fraction form
    783,624.80/1,175,437.20 = 547,695.20/x
  3. Step 3: Cross multiply
    783,624.80x = 1,175,437.20 × 547,695.20
  4. Step 4: Simplify right side
    783,624.80x = 643,781,312,341.44
  5. Step 5: Solve for x
    x = 643,781,312,341.44/783,624.80
  6. Step 6: Final answer
    x = 821,542.80

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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.