Home / 891,472.23-1,230,226.38-483,574.86

Finding the Fourth Proportional to 891,472.23, 1,230,226.38 and 483,574.86

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Solution

The fourth proportional to 891,472.23, 1,230,226.38 and 483,574.86 is: 667,330.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,472.23 : 1,230,226.38 = 483,574.86 : x
  2. Step 2: Convert to fraction form
    891,472.23/1,230,226.38 = 483,574.86/x
  3. Step 3: Cross multiply
    891,472.23x = 1,230,226.38 × 483,574.86
  4. Step 4: Simplify right side
    891,472.23x = 594,906,549,476.81
  5. Step 5: Solve for x
    x = 594,906,549,476.81/891,472.23
  6. Step 6: Final answer
    x = 667,330.43

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Double scale
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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.