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Finding the Fourth Proportional to 899,853.96, 1,349,781.88 and 360,353.90

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Solution

The fourth proportional to 899,853.96, 1,349,781.88 and 360,353.90 is: 540,531.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,853.96 : 1,349,781.88 = 360,353.90 : x
  2. Step 2: Convert to fraction form
    899,853.96/1,349,781.88 = 360,353.90/x
  3. Step 3: Cross multiply
    899,853.96x = 1,349,781.88 × 360,353.90
  4. Step 4: Simplify right side
    899,853.96x = 486,399,164,607.33
  5. Step 5: Solve for x
    x = 486,399,164,607.33/899,853.96
  6. Step 6: Final answer
    x = 540,531.23

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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.