Home / 804,715.20-1,205,323.20-489,787.20

Finding the Fourth Proportional to 804,715.20, 1,205,323.20 and 489,787.20

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Solution

The fourth proportional to 804,715.20, 1,205,323.20 and 489,787.20 is: 733,615.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,715.20 : 1,205,323.20 = 489,787.20 : x
  2. Step 2: Convert to fraction form
    804,715.20/1,205,323.20 = 489,787.20/x
  3. Step 3: Cross multiply
    804,715.20x = 1,205,323.20 × 489,787.20
  4. Step 4: Simplify right side
    804,715.20x = 590,351,875,223.04
  5. Step 5: Solve for x
    x = 590,351,875,223.04/804,715.20
  6. Step 6: Final answer
    x = 733,615.91

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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.