Home / 804,939.80-1,207,409.70-525,003.80

Finding the Fourth Proportional to 804,939.80, 1,207,409.70 and 525,003.80

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Solution

The fourth proportional to 804,939.80, 1,207,409.70 and 525,003.80 is: 787,505.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,939.80 : 1,207,409.70 = 525,003.80 : x
  2. Step 2: Convert to fraction form
    804,939.80/1,207,409.70 = 525,003.80/x
  3. Step 3: Cross multiply
    804,939.80x = 1,207,409.70 × 525,003.80
  4. Step 4: Simplify right side
    804,939.80x = 633,894,680,656.86
  5. Step 5: Solve for x
    x = 633,894,680,656.86/804,939.80
  6. Step 6: Final answer
    x = 787,505.70

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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.