Home / 817,356.15-1,226,041.18-284,876.33

Finding the Fourth Proportional to 817,356.15, 1,226,041.18 and 284,876.33

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Solution

The fourth proportional to 817,356.15, 1,226,041.18 and 284,876.33 is: 427,316.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,356.15 : 1,226,041.18 = 284,876.33 : x
  2. Step 2: Convert to fraction form
    817,356.15/1,226,041.18 = 284,876.33/x
  3. Step 3: Cross multiply
    817,356.15x = 1,226,041.18 × 284,876.33
  4. Step 4: Simplify right side
    817,356.15x = 349,270,104,944.87
  5. Step 5: Solve for x
    x = 349,270,104,944.87/817,356.15
  6. Step 6: Final answer
    x = 427,316.91

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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.