Home / 887,496.30-1,329,713.55-413,208.90

Finding the Fourth Proportional to 887,496.30, 1,329,713.55 and 413,208.90

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Solution

The fourth proportional to 887,496.30, 1,329,713.55 and 413,208.90 is: 619,100.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,496.30 : 1,329,713.55 = 413,208.90 : x
  2. Step 2: Convert to fraction form
    887,496.30/1,329,713.55 = 413,208.90/x
  3. Step 3: Cross multiply
    887,496.30x = 1,329,713.55 × 413,208.90
  4. Step 4: Simplify right side
    887,496.30x = 549,449,473,310.60
  5. Step 5: Solve for x
    x = 549,449,473,310.60/887,496.30
  6. Step 6: Final answer
    x = 619,100.58

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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.