Home / 890,304.16-1,228,613.52-487,887.52

Finding the Fourth Proportional to 890,304.16, 1,228,613.52 and 487,887.52

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Solution

The fourth proportional to 890,304.16, 1,228,613.52 and 487,887.52 is: 673,281.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,304.16 : 1,228,613.52 = 487,887.52 : x
  2. Step 2: Convert to fraction form
    890,304.16/1,228,613.52 = 487,887.52/x
  3. Step 3: Cross multiply
    890,304.16x = 1,228,613.52 × 487,887.52
  4. Step 4: Simplify right side
    890,304.16x = 599,425,203,311.27
  5. Step 5: Solve for x
    x = 599,425,203,311.27/890,304.16
  6. Step 6: Final answer
    x = 673,281.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.