Home / 813,613.98-1,219,043.10-492,796.46

Finding the Fourth Proportional to 813,613.98, 1,219,043.10 and 492,796.46

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Solution

The fourth proportional to 813,613.98, 1,219,043.10 and 492,796.46 is: 738,360.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    813,613.98 : 1,219,043.10 = 492,796.46 : x
  2. Step 2: Convert to fraction form
    813,613.98/1,219,043.10 = 492,796.46/x
  3. Step 3: Cross multiply
    813,613.98x = 1,219,043.10 × 492,796.46
  4. Step 4: Simplify right side
    813,613.98x = 600,740,124,267.43
  5. Step 5: Solve for x
    x = 600,740,124,267.43/813,613.98
  6. Step 6: Final answer
    x = 738,360.13

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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.