Home / 891,099.90-1,336,637.70-292,080.60

Finding the Fourth Proportional to 891,099.90, 1,336,637.70 and 292,080.60

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Solution

The fourth proportional to 891,099.90, 1,336,637.70 and 292,080.60 is: 438,116.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,099.90 : 1,336,637.70 = 292,080.60 : x
  2. Step 2: Convert to fraction form
    891,099.90/1,336,637.70 = 292,080.60/x
  3. Step 3: Cross multiply
    891,099.90x = 1,336,637.70 × 292,080.60
  4. Step 4: Simplify right side
    891,099.90x = 390,405,941,398.62
  5. Step 5: Solve for x
    x = 390,405,941,398.62/891,099.90
  6. Step 6: Final answer
    x = 438,116.92

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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.