Home / 891,671.77-1,336,477.33-410,894.38

Finding the Fourth Proportional to 891,671.77, 1,336,477.33 and 410,894.38

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Solution

The fourth proportional to 891,671.77, 1,336,477.33 and 410,894.38 is: 615,866.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,671.77 : 1,336,477.33 = 410,894.38 : x
  2. Step 2: Convert to fraction form
    891,671.77/1,336,477.33 = 410,894.38/x
  3. Step 3: Cross multiply
    891,671.77x = 1,336,477.33 × 410,894.38
  4. Step 4: Simplify right side
    891,671.77x = 549,151,023,894.41
  5. Step 5: Solve for x
    x = 549,151,023,894.41/891,671.77
  6. Step 6: Final answer
    x = 615,866.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.