Home / 860,152.88-1,187,041.42-472,997.84

Finding the Fourth Proportional to 860,152.88, 1,187,041.42 and 472,997.84

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Solution

The fourth proportional to 860,152.88, 1,187,041.42 and 472,997.84 is: 652,753.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    860,152.88 : 1,187,041.42 = 472,997.84 : x
  2. Step 2: Convert to fraction form
    860,152.88/1,187,041.42 = 472,997.84/x
  3. Step 3: Cross multiply
    860,152.88x = 1,187,041.42 × 472,997.84
  4. Step 4: Simplify right side
    860,152.88x = 561,468,027,650.53
  5. Step 5: Solve for x
    x = 561,468,027,650.53/860,152.88
  6. Step 6: Final answer
    x = 652,753.76

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Double scale
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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.