Home / 860,125.68-1,187,003.88-472,970.46

Finding the Fourth Proportional to 860,125.68, 1,187,003.88 and 472,970.46

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Solution

The fourth proportional to 860,125.68, 1,187,003.88 and 472,970.46 is: 652,715.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    860,125.68 : 1,187,003.88 = 472,970.46 : x
  2. Step 2: Convert to fraction form
    860,125.68/1,187,003.88 = 472,970.46/x
  3. Step 3: Cross multiply
    860,125.68x = 1,187,003.88 × 472,970.46
  4. Step 4: Simplify right side
    860,125.68x = 561,417,771,145.39
  5. Step 5: Solve for x
    x = 561,417,771,145.39/860,125.68
  6. Step 6: Final answer
    x = 652,715.97

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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.