Home / 829,874.20-1,241,944.10-497,688.60

Finding the Fourth Proportional to 829,874.20, 1,241,944.10 and 497,688.60

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Solution

The fourth proportional to 829,874.20, 1,241,944.10 and 497,688.60 is: 744,813.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,874.20 : 1,241,944.10 = 497,688.60 : x
  2. Step 2: Convert to fraction form
    829,874.20/1,241,944.10 = 497,688.60/x
  3. Step 3: Cross multiply
    829,874.20x = 1,241,944.10 × 497,688.60
  4. Step 4: Simplify right side
    829,874.20x = 618,101,420,407.26
  5. Step 5: Solve for x
    x = 618,101,420,407.26/829,874.20
  6. Step 6: Final answer
    x = 744,813.40

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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.