Home / 753,045.12-1,129,236-353,799.36

Finding the Fourth Proportional to 753,045.12, 1,129,236 and 353,799.36

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Solution

The fourth proportional to 753,045.12, 1,129,236 and 353,799.36 is: 530,543.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,045.12 : 1,129,236 = 353,799.36 : x
  2. Step 2: Convert to fraction form
    753,045.12/1,129,236 = 353,799.36/x
  3. Step 3: Cross multiply
    753,045.12x = 1,129,236 × 353,799.36
  4. Step 4: Simplify right side
    753,045.12x = 399,522,974,088.96
  5. Step 5: Solve for x
    x = 399,522,974,088.96/753,045.12
  6. Step 6: Final answer
    x = 530,543.21

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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.