Home / 632,186.98-947,787.48-429,247.96

Finding the Fourth Proportional to 632,186.98, 947,787.48 and 429,247.96

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Solution

The fourth proportional to 632,186.98, 947,787.48 and 429,247.96 is: 643,537.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,186.98 : 947,787.48 = 429,247.96 : x
  2. Step 2: Convert to fraction form
    632,186.98/947,787.48 = 429,247.96/x
  3. Step 3: Cross multiply
    632,186.98x = 947,787.48 × 429,247.96
  4. Step 4: Simplify right side
    632,186.98x = 406,835,839,934.07
  5. Step 5: Solve for x
    x = 406,835,839,934.07/632,186.98
  6. Step 6: Final answer
    x = 643,537.20

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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.