Home / 891,829.85-1,337,243.47-292,740.83

Finding the Fourth Proportional to 891,829.85, 1,337,243.47 and 292,740.83

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Solution

The fourth proportional to 891,829.85, 1,337,243.47 and 292,740.83 is: 438,946.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,829.85 : 1,337,243.47 = 292,740.83 : x
  2. Step 2: Convert to fraction form
    891,829.85/1,337,243.47 = 292,740.83/x
  3. Step 3: Cross multiply
    891,829.85x = 1,337,243.47 × 292,740.83
  4. Step 4: Simplify right side
    891,829.85x = 391,465,763,319.88
  5. Step 5: Solve for x
    x = 391,465,763,319.88/891,829.85
  6. Step 6: Final answer
    x = 438,946.69

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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.