Home / 996,812.80-1,495,437.90-322,779.40

Finding the Fourth Proportional to 996,812.80, 1,495,437.90 and 322,779.40

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Solution

The fourth proportional to 996,812.80, 1,495,437.90 and 322,779.40 is: 484,239.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    996,812.80 : 1,495,437.90 = 322,779.40 : x
  2. Step 2: Convert to fraction form
    996,812.80/1,495,437.90 = 322,779.40/x
  3. Step 3: Cross multiply
    996,812.80x = 1,495,437.90 × 322,779.40
  4. Step 4: Simplify right side
    996,812.80x = 482,696,548,099.26
  5. Step 5: Solve for x
    x = 482,696,548,099.26/996,812.80
  6. Step 6: Final answer
    x = 484,239.92

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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.