Home / 887,854.55-1,330,250.93-413,567.15

Finding the Fourth Proportional to 887,854.55, 1,330,250.93 and 413,567.15

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Solution

The fourth proportional to 887,854.55, 1,330,250.93 and 413,567.15 is: 619,637.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,854.55 : 1,330,250.93 = 413,567.15 : x
  2. Step 2: Convert to fraction form
    887,854.55/1,330,250.93 = 413,567.15/x
  3. Step 3: Cross multiply
    887,854.55x = 1,330,250.93 × 413,567.15
  4. Step 4: Simplify right side
    887,854.55x = 550,148,083,837.11
  5. Step 5: Solve for x
    x = 550,148,083,837.11/887,854.55
  6. Step 6: Final answer
    x = 619,637.62

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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.