Home / 999,000.80-1,498,501.20-733,280.30

Finding the Fourth Proportional to 999,000.80, 1,498,501.20 and 733,280.30

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Solution

The fourth proportional to 999,000.80, 1,498,501.20 and 733,280.30 is: 1,099,920.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,000.80 : 1,498,501.20 = 733,280.30 : x
  2. Step 2: Convert to fraction form
    999,000.80/1,498,501.20 = 733,280.30/x
  3. Step 3: Cross multiply
    999,000.80x = 1,498,501.20 × 733,280.30
  4. Step 4: Simplify right side
    999,000.80x = 1,098,821,409,486.36
  5. Step 5: Solve for x
    x = 1,098,821,409,486.36/999,000.80
  6. Step 6: Final answer
    x = 1,099,920.45

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Double scale
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Similar ratio
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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.