Home / 887,888.30-1,330,301.55-413,600.90

Finding the Fourth Proportional to 887,888.30, 1,330,301.55 and 413,600.90

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Solution

The fourth proportional to 887,888.30, 1,330,301.55 and 413,600.90 is: 619,688.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,888.30 : 1,330,301.55 = 413,600.90 : x
  2. Step 2: Convert to fraction form
    887,888.30/1,330,301.55 = 413,600.90/x
  3. Step 3: Cross multiply
    887,888.30x = 1,330,301.55 × 413,600.90
  4. Step 4: Simplify right side
    887,888.30x = 550,213,918,351.40
  5. Step 5: Solve for x
    x = 550,213,918,351.40/887,888.30
  6. Step 6: Final answer
    x = 619,688.22

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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.