Home / 824,820.48-1,138,332.16-462,305.92

Finding the Fourth Proportional to 824,820.48, 1,138,332.16 and 462,305.92

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Solution

The fourth proportional to 824,820.48, 1,138,332.16 and 462,305.92 is: 638,026.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    824,820.48 : 1,138,332.16 = 462,305.92 : x
  2. Step 2: Convert to fraction form
    824,820.48/1,138,332.16 = 462,305.92/x
  3. Step 3: Cross multiply
    824,820.48x = 1,138,332.16 × 462,305.92
  4. Step 4: Simplify right side
    824,820.48x = 526,257,696,494.39
  5. Step 5: Solve for x
    x = 526,257,696,494.39/824,820.48
  6. Step 6: Final answer
    x = 638,026.95

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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.