Home / 997,171.20-1,495,465.20-357,400.80

Finding the Fourth Proportional to 997,171.20, 1,495,465.20 and 357,400.80

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Solution

The fourth proportional to 997,171.20, 1,495,465.20 and 357,400.80 is: 535,996.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    997,171.20 : 1,495,465.20 = 357,400.80 : x
  2. Step 2: Convert to fraction form
    997,171.20/1,495,465.20 = 357,400.80/x
  3. Step 3: Cross multiply
    997,171.20x = 1,495,465.20 × 357,400.80
  4. Step 4: Simplify right side
    997,171.20x = 534,480,458,852.16
  5. Step 5: Solve for x
    x = 534,480,458,852.16/997,171.20
  6. Step 6: Final answer
    x = 535,996.69

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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.