Home / 926,294.63-1,389,158.31-327,115.40

Finding the Fourth Proportional to 926,294.63, 1,389,158.31 and 327,115.40

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Solution

The fourth proportional to 926,294.63, 1,389,158.31 and 327,115.40 is: 490,572.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,294.63 : 1,389,158.31 = 327,115.40 : x
  2. Step 2: Convert to fraction form
    926,294.63/1,389,158.31 = 327,115.40/x
  3. Step 3: Cross multiply
    926,294.63x = 1,389,158.31 × 327,115.40
  4. Step 4: Simplify right side
    926,294.63x = 454,415,079,711.87
  5. Step 5: Solve for x
    x = 454,415,079,711.87/926,294.63
  6. Step 6: Final answer
    x = 490,572.94

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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.