Home / 745,257.95-1,117,905.30-271,943.16

Finding the Fourth Proportional to 745,257.95, 1,117,905.30 and 271,943.16

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Solution

The fourth proportional to 745,257.95, 1,117,905.30 and 271,943.16 is: 407,921.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,257.95 : 1,117,905.30 = 271,943.16 : x
  2. Step 2: Convert to fraction form
    745,257.95/1,117,905.30 = 271,943.16/x
  3. Step 3: Cross multiply
    745,257.95x = 1,117,905.30 × 271,943.16
  4. Step 4: Simplify right side
    745,257.95x = 304,006,695,670.60
  5. Step 5: Solve for x
    x = 304,006,695,670.60/745,257.95
  6. Step 6: Final answer
    x = 407,921.44

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1.5x scale

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.