Home / 997,809.60-1,495,072.80-576,350.40

Finding the Fourth Proportional to 997,809.60, 1,495,072.80 and 576,350.40

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Solution

The fourth proportional to 997,809.60, 1,495,072.80 and 576,350.40 is: 863,577.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    997,809.60 : 1,495,072.80 = 576,350.40 : x
  2. Step 2: Convert to fraction form
    997,809.60/1,495,072.80 = 576,350.40/x
  3. Step 3: Cross multiply
    997,809.60x = 1,495,072.80 × 576,350.40
  4. Step 4: Simplify right side
    997,809.60x = 861,685,806,309.12
  5. Step 5: Solve for x
    x = 861,685,806,309.12/997,809.60
  6. Step 6: Final answer
    x = 863,577.39

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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.