Home / 817,069.95-1,225,211.27-284,579.19

Finding the Fourth Proportional to 817,069.95, 1,225,211.27 and 284,579.19

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Solution

The fourth proportional to 817,069.95, 1,225,211.27 and 284,579.19 is: 426,731.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,069.95 : 1,225,211.27 = 284,579.19 : x
  2. Step 2: Convert to fraction form
    817,069.95/1,225,211.27 = 284,579.19/x
  3. Step 3: Cross multiply
    817,069.95x = 1,225,211.27 × 284,579.19
  4. Step 4: Simplify right side
    817,069.95x = 348,669,629,372.58
  5. Step 5: Solve for x
    x = 348,669,629,372.58/817,069.95
  6. Step 6: Final answer
    x = 426,731.68

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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.