Home / 804,722.70-1,205,334.45-489,794.70

Finding the Fourth Proportional to 804,722.70, 1,205,334.45 and 489,794.70

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Solution

The fourth proportional to 804,722.70, 1,205,334.45 and 489,794.70 is: 733,627.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,722.70 : 1,205,334.45 = 489,794.70 : x
  2. Step 2: Convert to fraction form
    804,722.70/1,205,334.45 = 489,794.70/x
  3. Step 3: Cross multiply
    804,722.70x = 1,205,334.45 × 489,794.70
  4. Step 4: Simplify right side
    804,722.70x = 590,366,425,337.42
  5. Step 5: Solve for x
    x = 590,366,425,337.42/804,722.70
  6. Step 6: Final answer
    x = 733,627.16

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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.