Home / 771,940.67-1,063,948.10-513,355.46

Finding the Fourth Proportional to 771,940.67, 1,063,948.10 and 513,355.46

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Solution

The fourth proportional to 771,940.67, 1,063,948.10 and 513,355.46 is: 707,546.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,940.67 : 1,063,948.10 = 513,355.46 : x
  2. Step 2: Convert to fraction form
    771,940.67/1,063,948.10 = 513,355.46/x
  3. Step 3: Cross multiply
    771,940.67x = 1,063,948.10 × 513,355.46
  4. Step 4: Simplify right side
    771,940.67x = 546,183,558,405.11
  5. Step 5: Solve for x
    x = 546,183,558,405.11/771,940.67
  6. Step 6: Final answer
    x = 707,546.04

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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.