Home / 728,586.72-1,005,726.66-547,823.58

Finding the Fourth Proportional to 728,586.72, 1,005,726.66 and 547,823.58

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Solution

The fourth proportional to 728,586.72, 1,005,726.66 and 547,823.58 is: 756,204.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,586.72 : 1,005,726.66 = 547,823.58 : x
  2. Step 2: Convert to fraction form
    728,586.72/1,005,726.66 = 547,823.58/x
  3. Step 3: Cross multiply
    728,586.72x = 1,005,726.66 × 547,823.58
  4. Step 4: Simplify right side
    728,586.72x = 550,960,779,382.64
  5. Step 5: Solve for x
    x = 550,960,779,382.64/728,586.72
  6. Step 6: Final answer
    x = 756,204.81

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1.5x scale

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.