Home / 680,038.31-1,020,058.17-253,567.62

Finding the Fourth Proportional to 680,038.31, 1,020,058.17 and 253,567.62

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Solution

The fourth proportional to 680,038.31, 1,020,058.17 and 253,567.62 is: 380,351.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,038.31 : 1,020,058.17 = 253,567.62 : x
  2. Step 2: Convert to fraction form
    680,038.31/1,020,058.17 = 253,567.62/x
  3. Step 3: Cross multiply
    680,038.31x = 1,020,058.17 × 253,567.62
  4. Step 4: Simplify right side
    680,038.31x = 258,653,722,428.46
  5. Step 5: Solve for x
    x = 258,653,722,428.46/680,038.31
  6. Step 6: Final answer
    x = 380,351.70

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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.