Home / 693,602.40-1,040,144.40-482,613.60

Finding the Fourth Proportional to 693,602.40, 1,040,144.40 and 482,613.60

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Solution

The fourth proportional to 693,602.40, 1,040,144.40 and 482,613.60 is: 723,740.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,602.40 : 1,040,144.40 = 482,613.60 : x
  2. Step 2: Convert to fraction form
    693,602.40/1,040,144.40 = 482,613.60/x
  3. Step 3: Cross multiply
    693,602.40x = 1,040,144.40 × 482,613.60
  4. Step 4: Simplify right side
    693,602.40x = 501,987,833,403.84
  5. Step 5: Solve for x
    x = 501,987,833,403.84/693,602.40
  6. Step 6: Final answer
    x = 723,740.05

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1.5x scale

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.