Home / 824,755.13-1,138,143.39-480,569.63

Finding the Fourth Proportional to 824,755.13, 1,138,143.39 and 480,569.63

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Solution

The fourth proportional to 824,755.13, 1,138,143.39 and 480,569.63 is: 663,175.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    824,755.13 : 1,138,143.39 = 480,569.63 : x
  2. Step 2: Convert to fraction form
    824,755.13/1,138,143.39 = 480,569.63/x
  3. Step 3: Cross multiply
    824,755.13x = 1,138,143.39 × 480,569.63
  4. Step 4: Simplify right side
    824,755.13x = 546,957,140,326.39
  5. Step 5: Solve for x
    x = 546,957,140,326.39/824,755.13
  6. Step 6: Final answer
    x = 663,175.19

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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.