Home / 903,363.70-1,243,512.30-780,799.90

Finding the Fourth Proportional to 903,363.70, 1,243,512.30 and 780,799.90

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Solution

The fourth proportional to 903,363.70, 1,243,512.30 and 780,799.90 is: 1,074,798.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    903,363.70 : 1,243,512.30 = 780,799.90 : x
  2. Step 2: Convert to fraction form
    903,363.70/1,243,512.30 = 780,799.90/x
  3. Step 3: Cross multiply
    903,363.70x = 1,243,512.30 × 780,799.90
  4. Step 4: Simplify right side
    903,363.70x = 970,934,279,488.77
  5. Step 5: Solve for x
    x = 970,934,279,488.77/903,363.70
  6. Step 6: Final answer
    x = 1,074,798.87

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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.