Home / 891,026.90-1,336,591.55-260,038.10

Finding the Fourth Proportional to 891,026.90, 1,336,591.55 and 260,038.10

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Solution

The fourth proportional to 891,026.90, 1,336,591.55 and 260,038.10 is: 390,072.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,026.90 : 1,336,591.55 = 260,038.10 : x
  2. Step 2: Convert to fraction form
    891,026.90/1,336,591.55 = 260,038.10/x
  3. Step 3: Cross multiply
    891,026.90x = 1,336,591.55 × 260,038.10
  4. Step 4: Simplify right side
    891,026.90x = 347,564,727,138.06
  5. Step 5: Solve for x
    x = 347,564,727,138.06/891,026.90
  6. Step 6: Final answer
    x = 390,072.09

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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.