Home / 887,878.30-1,330,286.55-413,590.90

Finding the Fourth Proportional to 887,878.30, 1,330,286.55 and 413,590.90

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Solution

The fourth proportional to 887,878.30, 1,330,286.55 and 413,590.90 is: 619,673.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,878.30 : 1,330,286.55 = 413,590.90 : x
  2. Step 2: Convert to fraction form
    887,878.30/1,330,286.55 = 413,590.90/x
  3. Step 3: Cross multiply
    887,878.30x = 1,330,286.55 × 413,590.90
  4. Step 4: Simplify right side
    887,878.30x = 550,194,411,472.40
  5. Step 5: Solve for x
    x = 550,194,411,472.40/887,878.30
  6. Step 6: Final answer
    x = 619,673.23

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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.