Home / 680,038.81-1,020,058.92-253,568.12

Finding the Fourth Proportional to 680,038.81, 1,020,058.92 and 253,568.12

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Solution

The fourth proportional to 680,038.81, 1,020,058.92 and 253,568.12 is: 380,352.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,038.81 : 1,020,058.92 = 253,568.12 : x
  2. Step 2: Convert to fraction form
    680,038.81/1,020,058.92 = 253,568.12/x
  3. Step 3: Cross multiply
    680,038.81x = 1,020,058.92 × 253,568.12
  4. Step 4: Simplify right side
    680,038.81x = 258,654,422,633.63
  5. Step 5: Solve for x
    x = 258,654,422,633.63/680,038.81
  6. Step 6: Final answer
    x = 380,352.45

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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.