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Finding the Fourth Proportional to 440,159.32, 659,162.18 and 397,560.46

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Solution

The fourth proportional to 440,159.32, 659,162.18 and 397,560.46 is: 595,368.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,159.32 : 659,162.18 = 397,560.46 : x
  2. Step 2: Convert to fraction form
    440,159.32/659,162.18 = 397,560.46/x
  3. Step 3: Cross multiply
    440,159.32x = 659,162.18 × 397,560.46
  4. Step 4: Simplify right side
    440,159.32x = 262,056,819,495.40
  5. Step 5: Solve for x
    x = 262,056,819,495.40/440,159.32
  6. Step 6: Final answer
    x = 595,368.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.