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Finding the Fourth Proportional to 524,702.70, 786,859.65 and 169,728.30

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Solution

The fourth proportional to 524,702.70, 786,859.65 and 169,728.30 is: 254,529.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,702.70 : 786,859.65 = 169,728.30 : x
  2. Step 2: Convert to fraction form
    524,702.70/786,859.65 = 169,728.30/x
  3. Step 3: Cross multiply
    524,702.70x = 786,859.65 × 169,728.30
  4. Step 4: Simplify right side
    524,702.70x = 133,552,350,733.10
  5. Step 5: Solve for x
    x = 133,552,350,733.10/524,702.70
  6. Step 6: Final answer
    x = 254,529.57

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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.