Home / 921,347.46-1,382,217.96-322,328.16

Finding the Fourth Proportional to 921,347.46, 1,382,217.96 and 322,328.16

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Solution

The fourth proportional to 921,347.46, 1,382,217.96 and 322,328.16 is: 483,561.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    921,347.46 : 1,382,217.96 = 322,328.16 : x
  2. Step 2: Convert to fraction form
    921,347.46/1,382,217.96 = 322,328.16/x
  3. Step 3: Cross multiply
    921,347.46x = 1,382,217.96 × 322,328.16
  4. Step 4: Simplify right side
    921,347.46x = 445,527,771,765.75
  5. Step 5: Solve for x
    x = 445,527,771,765.75/921,347.46
  6. Step 6: Final answer
    x = 483,561.08

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Double scale
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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.