Home / 921,524.56-1,382,909.33-322,490.91

Finding the Fourth Proportional to 921,524.56, 1,382,909.33 and 322,490.91

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Solution

The fourth proportional to 921,524.56, 1,382,909.33 and 322,490.91 is: 483,954.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    921,524.56 : 1,382,909.33 = 322,490.91 : x
  2. Step 2: Convert to fraction form
    921,524.56/1,382,909.33 = 322,490.91/x
  3. Step 3: Cross multiply
    921,524.56x = 1,382,909.33 × 322,490.91
  4. Step 4: Simplify right side
    921,524.56x = 445,975,688,279.19
  5. Step 5: Solve for x
    x = 445,975,688,279.19/921,524.56
  6. Step 6: Final answer
    x = 483,954.21

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1.5x scale

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.