Home / 749,863.56-1,034,811.78-410,331.84

Finding the Fourth Proportional to 749,863.56, 1,034,811.78 and 410,331.84

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Solution

The fourth proportional to 749,863.56, 1,034,811.78 and 410,331.84 is: 566,257.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,863.56 : 1,034,811.78 = 410,331.84 : x
  2. Step 2: Convert to fraction form
    749,863.56/1,034,811.78 = 410,331.84/x
  3. Step 3: Cross multiply
    749,863.56x = 1,034,811.78 × 410,331.84
  4. Step 4: Simplify right side
    749,863.56x = 424,616,221,741.08
  5. Step 5: Solve for x
    x = 424,616,221,741.08/749,863.56
  6. Step 6: Final answer
    x = 566,257.98

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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.