Home / 1,088,000.20-1,632,230.70-329,779.40

Finding the Fourth Proportional to 1,088,000.20, 1,632,230.70 and 329,779.40

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Solution

The fourth proportional to 1,088,000.20, 1,632,230.70 and 329,779.40 is: 494,738.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,088,000.20 : 1,632,230.70 = 329,779.40 : x
  2. Step 2: Convert to fraction form
    1,088,000.20/1,632,230.70 = 329,779.40/x
  3. Step 3: Cross multiply
    1,088,000.20x = 1,632,230.70 × 329,779.40
  4. Step 4: Simplify right side
    1,088,000.20x = 538,276,060,907.58
  5. Step 5: Solve for x
    x = 538,276,060,907.58/1,088,000.20
  6. Step 6: Final answer
    x = 494,738.94

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Double scale
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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.