Home / 959,170.86-1,438,444.77-319,302.72

Finding the Fourth Proportional to 959,170.86, 1,438,444.77 and 319,302.72

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Solution

The fourth proportional to 959,170.86, 1,438,444.77 and 319,302.72 is: 478,850.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    959,170.86 : 1,438,444.77 = 319,302.72 : x
  2. Step 2: Convert to fraction form
    959,170.86/1,438,444.77 = 319,302.72/x
  3. Step 3: Cross multiply
    959,170.86x = 1,438,444.77 × 319,302.72
  4. Step 4: Simplify right side
    959,170.86x = 459,299,327,630.77
  5. Step 5: Solve for x
    x = 459,299,327,630.77/959,170.86
  6. Step 6: Final answer
    x = 478,850.38

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Double scale
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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.