Home / 872,954.18-1,204,665.15-490,980.95

Finding the Fourth Proportional to 872,954.18, 1,204,665.15 and 490,980.95

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Solution

The fourth proportional to 872,954.18, 1,204,665.15 and 490,980.95 is: 677,547.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,954.18 : 1,204,665.15 = 490,980.95 : x
  2. Step 2: Convert to fraction form
    872,954.18/1,204,665.15 = 490,980.95/x
  3. Step 3: Cross multiply
    872,954.18x = 1,204,665.15 × 490,980.95
  4. Step 4: Simplify right side
    872,954.18x = 591,467,633,755.57
  5. Step 5: Solve for x
    x = 591,467,633,755.57/872,954.18
  6. Step 6: Final answer
    x = 677,547.17

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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.