Home / 693,493.60-1,040,240.40-483,368.80

Finding the Fourth Proportional to 693,493.60, 1,040,240.40 and 483,368.80

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Solution

The fourth proportional to 693,493.60, 1,040,240.40 and 483,368.80 is: 725,053.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,493.60 : 1,040,240.40 = 483,368.80 : x
  2. Step 2: Convert to fraction form
    693,493.60/1,040,240.40 = 483,368.80/x
  3. Step 3: Cross multiply
    693,493.60x = 1,040,240.40 × 483,368.80
  4. Step 4: Simplify right side
    693,493.60x = 502,819,753,859.52
  5. Step 5: Solve for x
    x = 502,819,753,859.52/693,493.60
  6. Step 6: Final answer
    x = 725,053.20

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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.