Home / 500,331.21-749,555.11-247,315.53

Finding the Fourth Proportional to 500,331.21, 749,555.11 and 247,315.53

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Solution

The fourth proportional to 500,331.21, 749,555.11 and 247,315.53 is: 370,507.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,331.21 : 749,555.11 = 247,315.53 : x
  2. Step 2: Convert to fraction form
    500,331.21/749,555.11 = 247,315.53/x
  3. Step 3: Cross multiply
    500,331.21x = 749,555.11 × 247,315.53
  4. Step 4: Simplify right side
    500,331.21x = 185,376,619,293.86
  5. Step 5: Solve for x
    x = 185,376,619,293.86/500,331.21
  6. Step 6: Final answer
    x = 370,507.81

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Double scale
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1.5x scale

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.