Home / 778,848.30-1,167,397.65-329,492.70

Finding the Fourth Proportional to 778,848.30, 1,167,397.65 and 329,492.70

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Solution

The fourth proportional to 778,848.30, 1,167,397.65 and 329,492.70 is: 493,868.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,848.30 : 1,167,397.65 = 329,492.70 : x
  2. Step 2: Convert to fraction form
    778,848.30/1,167,397.65 = 329,492.70/x
  3. Step 3: Cross multiply
    778,848.30x = 1,167,397.65 × 329,492.70
  4. Step 4: Simplify right side
    778,848.30x = 384,649,003,672.16
  5. Step 5: Solve for x
    x = 384,649,003,672.16/778,848.30
  6. Step 6: Final answer
    x = 493,868.96

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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.