Home / 693,537.60-1,040,306.40-483,412.80

Finding the Fourth Proportional to 693,537.60, 1,040,306.40 and 483,412.80

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Solution

The fourth proportional to 693,537.60, 1,040,306.40 and 483,412.80 is: 725,119.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,537.60 : 1,040,306.40 = 483,412.80 : x
  2. Step 2: Convert to fraction form
    693,537.60/1,040,306.40 = 483,412.80/x
  3. Step 3: Cross multiply
    693,537.60x = 1,040,306.40 × 483,412.80
  4. Step 4: Simplify right side
    693,537.60x = 502,897,429,681.92
  5. Step 5: Solve for x
    x = 502,897,429,681.92/693,537.60
  6. Step 6: Final answer
    x = 725,119.20

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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.