Home / 672,221.48-927,623.94-385,765.16

Finding the Fourth Proportional to 672,221.48, 927,623.94 and 385,765.16

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Solution

The fourth proportional to 672,221.48, 927,623.94 and 385,765.16 is: 532,331.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,221.48 : 927,623.94 = 385,765.16 : x
  2. Step 2: Convert to fraction form
    672,221.48/927,623.94 = 385,765.16/x
  3. Step 3: Cross multiply
    672,221.48x = 927,623.94 × 385,765.16
  4. Step 4: Simplify right side
    672,221.48x = 357,844,997,633.93
  5. Step 5: Solve for x
    x = 357,844,997,633.93/672,221.48
  6. Step 6: Final answer
    x = 532,331.99

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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.