Home / 835,654.70-1,253,001.36-445,680.02

Finding the Fourth Proportional to 835,654.70, 1,253,001.36 and 445,680.02

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Solution

The fourth proportional to 835,654.70, 1,253,001.36 and 445,680.02 is: 668,263.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    835,654.70 : 1,253,001.36 = 445,680.02 : x
  2. Step 2: Convert to fraction form
    835,654.70/1,253,001.36 = 445,680.02/x
  3. Step 3: Cross multiply
    835,654.70x = 1,253,001.36 × 445,680.02
  4. Step 4: Simplify right side
    835,654.70x = 558,437,671,184.83
  5. Step 5: Solve for x
    x = 558,437,671,184.83/835,654.70
  6. Step 6: Final answer
    x = 668,263.66

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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.