Home / 1,021,333.77-1,532,000.67-311,355.66

Finding the Fourth Proportional to 1,021,333.77, 1,532,000.67 and 311,355.66

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Solution

The fourth proportional to 1,021,333.77, 1,532,000.67 and 311,355.66 is: 467,033.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,021,333.77 : 1,532,000.67 = 311,355.66 : x
  2. Step 2: Convert to fraction form
    1,021,333.77/1,532,000.67 = 311,355.66/x
  3. Step 3: Cross multiply
    1,021,333.77x = 1,532,000.67 × 311,355.66
  4. Step 4: Simplify right side
    1,021,333.77x = 476,997,079,728.29
  5. Step 5: Solve for x
    x = 476,997,079,728.29/1,021,333.77
  6. Step 6: Final answer
    x = 467,033.49

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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.