Home / 950,711.10-1,426,066.65-390,147.90

Finding the Fourth Proportional to 950,711.10, 1,426,066.65 and 390,147.90

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Solution

The fourth proportional to 950,711.10, 1,426,066.65 and 390,147.90 is: 585,221.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    950,711.10 : 1,426,066.65 = 390,147.90 : x
  2. Step 2: Convert to fraction form
    950,711.10/1,426,066.65 = 390,147.90/x
  3. Step 3: Cross multiply
    950,711.10x = 1,426,066.65 × 390,147.90
  4. Step 4: Simplify right side
    950,711.10x = 556,376,908,757.54
  5. Step 5: Solve for x
    x = 556,376,908,757.54/950,711.10
  6. Step 6: Final answer
    x = 585,221.85

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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.