Home / 959,051.40-1,438,577.10-399,179.40

Finding the Fourth Proportional to 959,051.40, 1,438,577.10 and 399,179.40

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Solution

The fourth proportional to 959,051.40, 1,438,577.10 and 399,179.40 is: 598,769.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    959,051.40 : 1,438,577.10 = 399,179.40 : x
  2. Step 2: Convert to fraction form
    959,051.40/1,438,577.10 = 399,179.40/x
  3. Step 3: Cross multiply
    959,051.40x = 1,438,577.10 × 399,179.40
  4. Step 4: Simplify right side
    959,051.40x = 574,250,343,631.74
  5. Step 5: Solve for x
    x = 574,250,343,631.74/959,051.40
  6. Step 6: Final answer
    x = 598,769.10

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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.