Home / 860,405.10-1,187,388.04-473,250.46

Finding the Fourth Proportional to 860,405.10, 1,187,388.04 and 473,250.46

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Solution

The fourth proportional to 860,405.10, 1,187,388.04 and 473,250.46 is: 653,101.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    860,405.10 : 1,187,388.04 = 473,250.46 : x
  2. Step 2: Convert to fraction form
    860,405.10/1,187,388.04 = 473,250.46/x
  3. Step 3: Cross multiply
    860,405.10x = 1,187,388.04 × 473,250.46
  4. Step 4: Simplify right side
    860,405.10x = 561,931,936,128.50
  5. Step 5: Solve for x
    x = 561,931,936,128.50/860,405.10
  6. Step 6: Final answer
    x = 653,101.59

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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.