Home / 887,880.30-1,330,289.55-413,592.90

Finding the Fourth Proportional to 887,880.30, 1,330,289.55 and 413,592.90

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Solution

The fourth proportional to 887,880.30, 1,330,289.55 and 413,592.90 is: 619,676.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,880.30 : 1,330,289.55 = 413,592.90 : x
  2. Step 2: Convert to fraction form
    887,880.30/1,330,289.55 = 413,592.90/x
  3. Step 3: Cross multiply
    887,880.30x = 1,330,289.55 × 413,592.90
  4. Step 4: Simplify right side
    887,880.30x = 550,198,312,824.20
  5. Step 5: Solve for x
    x = 550,198,312,824.20/887,880.30
  6. Step 6: Final answer
    x = 619,676.23

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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.