Home / 672,220.48-927,622.56-385,764.16

Finding the Fourth Proportional to 672,220.48, 927,622.56 and 385,764.16

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Solution

The fourth proportional to 672,220.48, 927,622.56 and 385,764.16 is: 532,330.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,220.48 : 927,622.56 = 385,764.16 : x
  2. Step 2: Convert to fraction form
    672,220.48/927,622.56 = 385,764.16/x
  3. Step 3: Cross multiply
    672,220.48x = 927,622.56 × 385,764.16
  4. Step 4: Simplify right side
    672,220.48x = 357,843,537,655.45
  5. Step 5: Solve for x
    x = 357,843,537,655.45/672,220.48
  6. Step 6: Final answer
    x = 532,330.61

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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.