Home / 678,866.92-1,018,300.36-173,429.00

Finding the Fourth Proportional to 678,866.92, 1,018,300.36 and 173,429.00

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Solution

The fourth proportional to 678,866.92, 1,018,300.36 and 173,429.00 is: 260,143.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    678,866.92 : 1,018,300.36 = 173,429.00 : x
  2. Step 2: Convert to fraction form
    678,866.92/1,018,300.36 = 173,429.00/x
  3. Step 3: Cross multiply
    678,866.92x = 1,018,300.36 × 173,429.00
  4. Step 4: Simplify right side
    678,866.92x = 176,602,811,753.17
  5. Step 5: Solve for x
    x = 176,602,811,753.17/678,866.92
  6. Step 6: Final answer
    x = 260,143.49

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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.