Home / 804,553.70-1,207,608.15-489,625.70

Finding the Fourth Proportional to 804,553.70, 1,207,608.15 and 489,625.70

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Solution

The fourth proportional to 804,553.70, 1,207,608.15 and 489,625.70 is: 734,911.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,553.70 : 1,207,608.15 = 489,625.70 : x
  2. Step 2: Convert to fraction form
    804,553.70/1,207,608.15 = 489,625.70/x
  3. Step 3: Cross multiply
    804,553.70x = 1,207,608.15 × 489,625.70
  4. Step 4: Simplify right side
    804,553.70x = 591,275,985,769.46
  5. Step 5: Solve for x
    x = 591,275,985,769.46/804,553.70
  6. Step 6: Final answer
    x = 734,911.77

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1.5x scale

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.