Home / 680,876.32-1,020,358.50-538,093.84

Finding the Fourth Proportional to 680,876.32, 1,020,358.50 and 538,093.84

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Solution

The fourth proportional to 680,876.32, 1,020,358.50 and 538,093.84 is: 806,385.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,876.32 : 1,020,358.50 = 538,093.84 : x
  2. Step 2: Convert to fraction form
    680,876.32/1,020,358.50 = 538,093.84/x
  3. Step 3: Cross multiply
    680,876.32x = 1,020,358.50 × 538,093.84
  4. Step 4: Simplify right side
    680,876.32x = 549,048,623,441.64
  5. Step 5: Solve for x
    x = 549,048,623,441.64/680,876.32
  6. Step 6: Final answer
    x = 806,385.25

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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.