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Finding the Fourth Proportional to 524,552.40, 786,245.40 and 288,064.80

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Solution

The fourth proportional to 524,552.40, 786,245.40 and 288,064.80 is: 431,776.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,552.40 : 786,245.40 = 288,064.80 : x
  2. Step 2: Convert to fraction form
    524,552.40/786,245.40 = 288,064.80/x
  3. Step 3: Cross multiply
    524,552.40x = 786,245.40 × 288,064.80
  4. Step 4: Simplify right side
    524,552.40x = 226,489,623,901.92
  5. Step 5: Solve for x
    x = 226,489,623,901.92/524,552.40
  6. Step 6: Final answer
    x = 431,776.93

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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.