Home / 953,995.70-1,431,000.84-280,088.66

Finding the Fourth Proportional to 953,995.70, 1,431,000.84 and 280,088.66

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Solution

The fourth proportional to 953,995.70, 1,431,000.84 and 280,088.66 is: 420,135.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    953,995.70 : 1,431,000.84 = 280,088.66 : x
  2. Step 2: Convert to fraction form
    953,995.70/1,431,000.84 = 280,088.66/x
  3. Step 3: Cross multiply
    953,995.70x = 1,431,000.84 × 280,088.66
  4. Step 4: Simplify right side
    953,995.70x = 400,807,107,734.47
  5. Step 5: Solve for x
    x = 400,807,107,734.47/953,995.70
  6. Step 6: Final answer
    x = 420,135.13

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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.