Home / 891,356.78-1,336,903.65-260,101.10

Finding the Fourth Proportional to 891,356.78, 1,336,903.65 and 260,101.10

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Solution

The fourth proportional to 891,356.78, 1,336,903.65 and 260,101.10 is: 390,113.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,356.78 : 1,336,903.65 = 260,101.10 : x
  2. Step 2: Convert to fraction form
    891,356.78/1,336,903.65 = 260,101.10/x
  3. Step 3: Cross multiply
    891,356.78x = 1,336,903.65 × 260,101.10
  4. Step 4: Simplify right side
    891,356.78x = 347,730,109,959.02
  5. Step 5: Solve for x
    x = 347,730,109,959.02/891,356.78
  6. Step 6: Final answer
    x = 390,113.27

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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.