Home / 753,532.70-1,039,851.11-431,235.88

Finding the Fourth Proportional to 753,532.70, 1,039,851.11 and 431,235.88

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Solution

The fourth proportional to 753,532.70, 1,039,851.11 and 431,235.88 is: 595,091.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,532.70 : 1,039,851.11 = 431,235.88 : x
  2. Step 2: Convert to fraction form
    753,532.70/1,039,851.11 = 431,235.88/x
  3. Step 3: Cross multiply
    753,532.70x = 1,039,851.11 × 431,235.88
  4. Step 4: Simplify right side
    753,532.70x = 448,421,106,968.29
  5. Step 5: Solve for x
    x = 448,421,106,968.29/753,532.70
  6. Step 6: Final answer
    x = 595,091.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.