Home / 817,341.31-1,226,018.80-284,861.48

Finding the Fourth Proportional to 817,341.31, 1,226,018.80 and 284,861.48

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Solution

The fourth proportional to 817,341.31, 1,226,018.80 and 284,861.48 is: 427,294.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,341.31 : 1,226,018.80 = 284,861.48 : x
  2. Step 2: Convert to fraction form
    817,341.31/1,226,018.80 = 284,861.48/x
  3. Step 3: Cross multiply
    817,341.31x = 1,226,018.80 × 284,861.48
  4. Step 4: Simplify right side
    817,341.31x = 349,245,529,875.82
  5. Step 5: Solve for x
    x = 349,245,529,875.82/817,341.31
  6. Step 6: Final answer
    x = 427,294.60

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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.