Home / 678,470.31-1,017,713.36-173,030.31

Finding the Fourth Proportional to 678,470.31, 1,017,713.36 and 173,030.31

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Solution

The fourth proportional to 678,470.31, 1,017,713.36 and 173,030.31 is: 259,547.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    678,470.31 : 1,017,713.36 = 173,030.31 : x
  2. Step 2: Convert to fraction form
    678,470.31/1,017,713.36 = 173,030.31/x
  3. Step 3: Cross multiply
    678,470.31x = 1,017,713.36 × 173,030.31
  4. Step 4: Simplify right side
    678,470.31x = 176,095,258,604.52
  5. Step 5: Solve for x
    x = 176,095,258,604.52/678,470.31
  6. Step 6: Final answer
    x = 259,547.48

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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.