Home / 696,509.10-1,044,426.15-408,399.51

Finding the Fourth Proportional to 696,509.10, 1,044,426.15 and 408,399.51

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Solution

The fourth proportional to 696,509.10, 1,044,426.15 and 408,399.51 is: 612,401.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    696,509.10 : 1,044,426.15 = 408,399.51 : x
  2. Step 2: Convert to fraction form
    696,509.10/1,044,426.15 = 408,399.51/x
  3. Step 3: Cross multiply
    696,509.10x = 1,044,426.15 × 408,399.51
  4. Step 4: Simplify right side
    696,509.10x = 426,543,127,891.19
  5. Step 5: Solve for x
    x = 426,543,127,891.19/696,509.10
  6. Step 6: Final answer
    x = 612,401.37

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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.