Home / 817,637.60-1,226,362.95-218,645.46

Finding the Fourth Proportional to 817,637.60, 1,226,362.95 and 218,645.46

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Solution

The fourth proportional to 817,637.60, 1,226,362.95 and 218,645.46 is: 327,943.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,637.60 : 1,226,362.95 = 218,645.46 : x
  2. Step 2: Convert to fraction form
    817,637.60/1,226,362.95 = 218,645.46/x
  3. Step 3: Cross multiply
    817,637.60x = 1,226,362.95 × 218,645.46
  4. Step 4: Simplify right side
    817,637.60x = 268,138,691,329.71
  5. Step 5: Solve for x
    x = 268,138,691,329.71/817,637.60
  6. Step 6: Final answer
    x = 327,943.20

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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.