Home / 928,667.30-1,392,767.16-359,853.20

Finding the Fourth Proportional to 928,667.30, 1,392,767.16 and 359,853.20

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Solution

The fourth proportional to 928,667.30, 1,392,767.16 and 359,853.20 is: 539,689.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    928,667.30 : 1,392,767.16 = 359,853.20 : x
  2. Step 2: Convert to fraction form
    928,667.30/1,392,767.16 = 359,853.20/x
  3. Step 3: Cross multiply
    928,667.30x = 1,392,767.16 × 359,853.20
  4. Step 4: Simplify right side
    928,667.30x = 501,191,717,581.65
  5. Step 5: Solve for x
    x = 501,191,717,581.65/928,667.30
  6. Step 6: Final answer
    x = 539,689.21

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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.