Home / 803,008.37-1,108,244.15-480,718.39

Finding the Fourth Proportional to 803,008.37, 1,108,244.15 and 480,718.39

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Solution

The fourth proportional to 803,008.37, 1,108,244.15 and 480,718.39 is: 663,446.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,008.37 : 1,108,244.15 = 480,718.39 : x
  2. Step 2: Convert to fraction form
    803,008.37/1,108,244.15 = 480,718.39/x
  3. Step 3: Cross multiply
    803,008.37x = 1,108,244.15 × 480,718.39
  4. Step 4: Simplify right side
    803,008.37x = 532,753,341,946.10
  5. Step 5: Solve for x
    x = 532,753,341,946.10/803,008.37
  6. Step 6: Final answer
    x = 663,446.81

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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.