Home / 513,100.35-769,869.23-323,706.15

Finding the Fourth Proportional to 513,100.35, 769,869.23 and 323,706.15

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Solution

The fourth proportional to 513,100.35, 769,869.23 and 323,706.15 is: 485,697.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    513,100.35 : 769,869.23 = 323,706.15 : x
  2. Step 2: Convert to fraction form
    513,100.35/769,869.23 = 323,706.15/x
  3. Step 3: Cross multiply
    513,100.35x = 769,869.23 × 323,706.15
  4. Step 4: Simplify right side
    513,100.35x = 249,211,402,828.23
  5. Step 5: Solve for x
    x = 249,211,402,828.23/513,100.35
  6. Step 6: Final answer
    x = 485,697.20

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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.