Home / 887,948.80-1,330,392.30-413,661.40

Finding the Fourth Proportional to 887,948.80, 1,330,392.30 and 413,661.40

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Solution

The fourth proportional to 887,948.80, 1,330,392.30 and 413,661.40 is: 619,778.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,948.80 : 1,330,392.30 = 413,661.40 : x
  2. Step 2: Convert to fraction form
    887,948.80/1,330,392.30 = 413,661.40/x
  3. Step 3: Cross multiply
    887,948.80x = 1,330,392.30 × 413,661.40
  4. Step 4: Simplify right side
    887,948.80x = 550,331,941,367.22
  5. Step 5: Solve for x
    x = 550,331,941,367.22/887,948.80
  6. Step 6: Final answer
    x = 619,778.91

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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.