Home / 678,024-1,017,006.84-204,695.28

Finding the Fourth Proportional to 678,024, 1,017,006.84 and 204,695.28

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Solution

The fourth proportional to 678,024, 1,017,006.84 and 204,695.28 is: 307,034.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    678,024 : 1,017,006.84 = 204,695.28 : x
  2. Step 2: Convert to fraction form
    678,024/1,017,006.84 = 204,695.28/x
  3. Step 3: Cross multiply
    678,024x = 1,017,006.84 × 204,695.28
  4. Step 4: Simplify right side
    678,024x = 208,176,499,875.72
  5. Step 5: Solve for x
    x = 208,176,499,875.72/678,024
  6. Step 6: Final answer
    x = 307,034.12

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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.