Home / 725,178.92-1,000,424.94-483,225.44

Finding the Fourth Proportional to 725,178.92, 1,000,424.94 and 483,225.44

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Solution

The fourth proportional to 725,178.92, 1,000,424.94 and 483,225.44 is: 666,636.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,178.92 : 1,000,424.94 = 483,225.44 : x
  2. Step 2: Convert to fraction form
    725,178.92/1,000,424.94 = 483,225.44/x
  3. Step 3: Cross multiply
    725,178.92x = 1,000,424.94 × 483,225.44
  4. Step 4: Simplify right side
    725,178.92x = 483,430,781,818.47
  5. Step 5: Solve for x
    x = 483,430,781,818.47/725,178.92
  6. Step 6: Final answer
    x = 666,636.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.