Home / 887,014.90-1,330,263.15-318,330.10

Finding the Fourth Proportional to 887,014.90, 1,330,263.15 and 318,330.10

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Solution

The fourth proportional to 887,014.90, 1,330,263.15 and 318,330.10 is: 477,402.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,014.90 : 1,330,263.15 = 318,330.10 : x
  2. Step 2: Convert to fraction form
    887,014.90/1,330,263.15 = 318,330.10/x
  3. Step 3: Cross multiply
    887,014.90x = 1,330,263.15 × 318,330.10
  4. Step 4: Simplify right side
    887,014.90x = 423,462,801,565.82
  5. Step 5: Solve for x
    x = 423,462,801,565.82/887,014.90
  6. Step 6: Final answer
    x = 477,402.13

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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.