Home / 875,681.73-1,313,522.60-402,764.85

Finding the Fourth Proportional to 875,681.73, 1,313,522.60 and 402,764.85

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Solution

The fourth proportional to 875,681.73, 1,313,522.60 and 402,764.85 is: 604,147.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,681.73 : 1,313,522.60 = 402,764.85 : x
  2. Step 2: Convert to fraction form
    875,681.73/1,313,522.60 = 402,764.85/x
  3. Step 3: Cross multiply
    875,681.73x = 1,313,522.60 × 402,764.85
  4. Step 4: Simplify right side
    875,681.73x = 529,040,730,946.79
  5. Step 5: Solve for x
    x = 529,040,730,946.79/875,681.73
  6. Step 6: Final answer
    x = 604,147.28

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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.