Home / 807,725.46-1,114,429.23-521,408.46

Finding the Fourth Proportional to 807,725.46, 1,114,429.23 and 521,408.46

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Solution

The fourth proportional to 807,725.46, 1,114,429.23 and 521,408.46 is: 719,393.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,725.46 : 1,114,429.23 = 521,408.46 : x
  2. Step 2: Convert to fraction form
    807,725.46/1,114,429.23 = 521,408.46/x
  3. Step 3: Cross multiply
    807,725.46x = 1,114,429.23 × 521,408.46
  4. Step 4: Simplify right side
    807,725.46x = 581,072,828,593.29
  5. Step 5: Solve for x
    x = 581,072,828,593.29/807,725.46
  6. Step 6: Final answer
    x = 719,393.97

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1.5x scale

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.