Home / 829,826.20-1,241,872.10-497,640.60

Finding the Fourth Proportional to 829,826.20, 1,241,872.10 and 497,640.60

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Solution

The fourth proportional to 829,826.20, 1,241,872.10 and 497,640.60 is: 744,741.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,826.20 : 1,241,872.10 = 497,640.60 : x
  2. Step 2: Convert to fraction form
    829,826.20/1,241,872.10 = 497,640.60/x
  3. Step 3: Cross multiply
    829,826.20x = 1,241,872.10 × 497,640.60
  4. Step 4: Simplify right side
    829,826.20x = 618,005,976,967.26
  5. Step 5: Solve for x
    x = 618,005,976,967.26/829,826.20
  6. Step 6: Final answer
    x = 744,741.46

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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.