Home / 854,267.55-1,179,842.52-662,990.10

Finding the Fourth Proportional to 854,267.55, 1,179,842.52 and 662,990.10

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Solution

The fourth proportional to 854,267.55, 1,179,842.52 and 662,990.10 is: 915,666.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,267.55 : 1,179,842.52 = 662,990.10 : x
  2. Step 2: Convert to fraction form
    854,267.55/1,179,842.52 = 662,990.10/x
  3. Step 3: Cross multiply
    854,267.55x = 1,179,842.52 × 662,990.10
  4. Step 4: Simplify right side
    854,267.55x = 782,223,910,319.05
  5. Step 5: Solve for x
    x = 782,223,910,319.05/854,267.55
  6. Step 6: Final answer
    x = 915,666.19

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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.