Home / 1,021,674.30-1,532,511.45-311,701.20

Finding the Fourth Proportional to 1,021,674.30, 1,532,511.45 and 311,701.20

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Solution

The fourth proportional to 1,021,674.30, 1,532,511.45 and 311,701.20 is: 467,551.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,021,674.30 : 1,532,511.45 = 311,701.20 : x
  2. Step 2: Convert to fraction form
    1,021,674.30/1,532,511.45 = 311,701.20/x
  3. Step 3: Cross multiply
    1,021,674.30x = 1,532,511.45 × 311,701.20
  4. Step 4: Simplify right side
    1,021,674.30x = 477,685,657,978.74
  5. Step 5: Solve for x
    x = 477,685,657,978.74/1,021,674.30
  6. Step 6: Final answer
    x = 467,551.80

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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.