Home / 860,155.45-1,187,044.96-473,000.22

Finding the Fourth Proportional to 860,155.45, 1,187,044.96 and 473,000.22

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Solution

The fourth proportional to 860,155.45, 1,187,044.96 and 473,000.22 is: 652,757.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    860,155.45 : 1,187,044.96 = 473,000.22 : x
  2. Step 2: Convert to fraction form
    860,155.45/1,187,044.96 = 473,000.22/x
  3. Step 3: Cross multiply
    860,155.45x = 1,187,044.96 × 473,000.22
  4. Step 4: Simplify right side
    860,155.45x = 561,472,523,369.72
  5. Step 5: Solve for x
    x = 561,472,523,369.72/860,155.45
  6. Step 6: Final answer
    x = 652,757.04

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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.