Home / 854,251.16-1,178,761.02-472,285.40

Finding the Fourth Proportional to 854,251.16, 1,178,761.02 and 472,285.40

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Solution

The fourth proportional to 854,251.16, 1,178,761.02 and 472,285.40 is: 651,695.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,251.16 : 1,178,761.02 = 472,285.40 : x
  2. Step 2: Convert to fraction form
    854,251.16/1,178,761.02 = 472,285.40/x
  3. Step 3: Cross multiply
    854,251.16x = 1,178,761.02 × 472,285.40
  4. Step 4: Simplify right side
    854,251.16x = 556,711,619,835.11
  5. Step 5: Solve for x
    x = 556,711,619,835.11/854,251.16
  6. Step 6: Final answer
    x = 651,695.48

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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.