Home / 887,931.30-1,330,366.05-413,643.90

Finding the Fourth Proportional to 887,931.30, 1,330,366.05 and 413,643.90

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Solution

The fourth proportional to 887,931.30, 1,330,366.05 and 413,643.90 is: 619,752.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,931.30 : 1,330,366.05 = 413,643.90 : x
  2. Step 2: Convert to fraction form
    887,931.30/1,330,366.05 = 413,643.90/x
  3. Step 3: Cross multiply
    887,931.30x = 1,330,366.05 × 413,643.90
  4. Step 4: Simplify right side
    887,931.30x = 550,297,801,349.60
  5. Step 5: Solve for x
    x = 550,297,801,349.60/887,931.30
  6. Step 6: Final answer
    x = 619,752.68

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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.