Home / 729,718.64-1,094,614.86-280,281.93

Finding the Fourth Proportional to 729,718.64, 1,094,614.86 and 280,281.93

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Solution

The fourth proportional to 729,718.64, 1,094,614.86 and 280,281.93 is: 420,437.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,718.64 : 1,094,614.86 = 280,281.93 : x
  2. Step 2: Convert to fraction form
    729,718.64/1,094,614.86 = 280,281.93/x
  3. Step 3: Cross multiply
    729,718.64x = 1,094,614.86 × 280,281.93
  4. Step 4: Simplify right side
    729,718.64x = 306,800,765,567.48
  5. Step 5: Solve for x
    x = 306,800,765,567.48/729,718.64
  6. Step 6: Final answer
    x = 420,437.07

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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.