Home / 912,617.56-1,368,821.72-238,763.90

Finding the Fourth Proportional to 912,617.56, 1,368,821.72 and 238,763.90

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Solution

The fourth proportional to 912,617.56, 1,368,821.72 and 238,763.90 is: 358,118.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,617.56 : 1,368,821.72 = 238,763.90 : x
  2. Step 2: Convert to fraction form
    912,617.56/1,368,821.72 = 238,763.90/x
  3. Step 3: Cross multiply
    912,617.56x = 1,368,821.72 × 238,763.90
  4. Step 4: Simplify right side
    912,617.56x = 326,825,212,271.91
  5. Step 5: Solve for x
    x = 326,825,212,271.91/912,617.56
  6. Step 6: Final answer
    x = 358,118.48

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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.