Home / 891,569.74-1,337,349.90-217,654.60

Finding the Fourth Proportional to 891,569.74, 1,337,349.90 and 217,654.60

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Solution

The fourth proportional to 891,569.74, 1,337,349.90 and 217,654.60 is: 326,480.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,569.74 : 1,337,349.90 = 217,654.60 : x
  2. Step 2: Convert to fraction form
    891,569.74/1,337,349.90 = 217,654.60/x
  3. Step 3: Cross multiply
    891,569.74x = 1,337,349.90 × 217,654.60
  4. Step 4: Simplify right side
    891,569.74x = 291,080,357,544.54
  5. Step 5: Solve for x
    x = 291,080,357,544.54/891,569.74
  6. Step 6: Final answer
    x = 326,480.75

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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.