Home / 726,298.60-1,090,614.30-549,005.80

Finding the Fourth Proportional to 726,298.60, 1,090,614.30 and 549,005.80

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Solution

The fourth proportional to 726,298.60, 1,090,614.30 and 549,005.80 is: 824,390.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,298.60 : 1,090,614.30 = 549,005.80 : x
  2. Step 2: Convert to fraction form
    726,298.60/1,090,614.30 = 549,005.80/x
  3. Step 3: Cross multiply
    726,298.60x = 1,090,614.30 × 549,005.80
  4. Step 4: Simplify right side
    726,298.60x = 598,753,576,262.94
  5. Step 5: Solve for x
    x = 598,753,576,262.94/726,298.60
  6. Step 6: Final answer
    x = 824,390.38

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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.