Home / 913,056.91-1,260,422.10-545,663.66

Finding the Fourth Proportional to 913,056.91, 1,260,422.10 and 545,663.66

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Solution

The fourth proportional to 913,056.91, 1,260,422.10 and 545,663.66 is: 753,257.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,056.91 : 1,260,422.10 = 545,663.66 : x
  2. Step 2: Convert to fraction form
    913,056.91/1,260,422.10 = 545,663.66/x
  3. Step 3: Cross multiply
    913,056.91x = 1,260,422.10 × 545,663.66
  4. Step 4: Simplify right side
    913,056.91x = 687,766,529,928.78
  5. Step 5: Solve for x
    x = 687,766,529,928.78/913,056.91
  6. Step 6: Final answer
    x = 753,257.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.