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Finding the Fourth Proportional to 508,745.70, 702,033.93 and 282,373.38

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Solution

The fourth proportional to 508,745.70, 702,033.93 and 282,373.38 is: 389,655.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,745.70 : 702,033.93 = 282,373.38 : x
  2. Step 2: Convert to fraction form
    508,745.70/702,033.93 = 282,373.38/x
  3. Step 3: Cross multiply
    508,745.70x = 702,033.93 × 282,373.38
  4. Step 4: Simplify right side
    508,745.70x = 198,235,693,688.78
  5. Step 5: Solve for x
    x = 198,235,693,688.78/508,745.70
  6. Step 6: Final answer
    x = 389,655.76

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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.