Home / 824,856.36-1,138,373.82-480,674.28

Finding the Fourth Proportional to 824,856.36, 1,138,373.82 and 480,674.28

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Solution

The fourth proportional to 824,856.36, 1,138,373.82 and 480,674.28 is: 663,372.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    824,856.36 : 1,138,373.82 = 480,674.28 : x
  2. Step 2: Convert to fraction form
    824,856.36/1,138,373.82 = 480,674.28/x
  3. Step 3: Cross multiply
    824,856.36x = 1,138,373.82 × 480,674.28
  4. Step 4: Simplify right side
    824,856.36x = 547,187,016,299.35
  5. Step 5: Solve for x
    x = 547,187,016,299.35/824,856.36
  6. Step 6: Final answer
    x = 663,372.49

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Double scale
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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.