Home / 680,858.75-1,020,332.30-538,076.34

Finding the Fourth Proportional to 680,858.75, 1,020,332.30 and 538,076.34

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Solution

The fourth proportional to 680,858.75, 1,020,332.30 and 538,076.34 is: 806,359.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,858.75 : 1,020,332.30 = 538,076.34 : x
  2. Step 2: Convert to fraction form
    680,858.75/1,020,332.30 = 538,076.34/x
  3. Step 3: Cross multiply
    680,858.75x = 1,020,332.30 × 538,076.34
  4. Step 4: Simplify right side
    680,858.75x = 549,016,666,877.40
  5. Step 5: Solve for x
    x = 549,016,666,877.40/680,858.75
  6. Step 6: Final answer
    x = 806,359.12

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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.