Home / 860,342.47-1,187,286.32-473,174.84

Finding the Fourth Proportional to 860,342.47, 1,187,286.32 and 473,174.84

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Solution

The fourth proportional to 860,342.47, 1,187,286.32 and 473,174.84 is: 652,988.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    860,342.47 : 1,187,286.32 = 473,174.84 : x
  2. Step 2: Convert to fraction form
    860,342.47/1,187,286.32 = 473,174.84/x
  3. Step 3: Cross multiply
    860,342.47x = 1,187,286.32 × 473,174.84
  4. Step 4: Simplify right side
    860,342.47x = 561,794,012,134.32
  5. Step 5: Solve for x
    x = 561,794,012,134.32/860,342.47
  6. Step 6: Final answer
    x = 652,988.82

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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.