Home / 912,612.56-1,368,814.22-238,758.90

Finding the Fourth Proportional to 912,612.56, 1,368,814.22 and 238,758.90

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Solution

The fourth proportional to 912,612.56, 1,368,814.22 and 238,758.90 is: 358,110.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,612.56 : 1,368,814.22 = 238,758.90 : x
  2. Step 2: Convert to fraction form
    912,612.56/1,368,814.22 = 238,758.90/x
  3. Step 3: Cross multiply
    912,612.56x = 1,368,814.22 × 238,758.90
  4. Step 4: Simplify right side
    912,612.56x = 326,816,577,471.56
  5. Step 5: Solve for x
    x = 326,816,577,471.56/912,612.56
  6. Step 6: Final answer
    x = 358,110.98

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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.