Home / 930,042.12-1,395,079.38-256,119.96

Finding the Fourth Proportional to 930,042.12, 1,395,079.38 and 256,119.96

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Solution

The fourth proportional to 930,042.12, 1,395,079.38 and 256,119.96 is: 384,184.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    930,042.12 : 1,395,079.38 = 256,119.96 : x
  2. Step 2: Convert to fraction form
    930,042.12/1,395,079.38 = 256,119.96/x
  3. Step 3: Cross multiply
    930,042.12x = 1,395,079.38 × 256,119.96
  4. Step 4: Simplify right side
    930,042.12x = 357,307,675,002.43
  5. Step 5: Solve for x
    x = 357,307,675,002.43/930,042.12
  6. Step 6: Final answer
    x = 384,184.40

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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.