Home / 836,121.15-1,154,031.30-549,667.89

Finding the Fourth Proportional to 836,121.15, 1,154,031.30 and 549,667.89

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Solution

The fourth proportional to 836,121.15, 1,154,031.30 and 549,667.89 is: 758,662.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    836,121.15 : 1,154,031.30 = 549,667.89 : x
  2. Step 2: Convert to fraction form
    836,121.15/1,154,031.30 = 549,667.89/x
  3. Step 3: Cross multiply
    836,121.15x = 1,154,031.30 × 549,667.89
  4. Step 4: Simplify right side
    836,121.15x = 634,333,949,664.96
  5. Step 5: Solve for x
    x = 634,333,949,664.96/836,121.15
  6. Step 6: Final answer
    x = 758,662.72

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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.