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Finding the Fourth Proportional to 525,124.80, 787,613.22 and 299,754.45

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Solution

The fourth proportional to 525,124.80, 787,613.22 and 299,754.45 is: 449,589.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,124.80 : 787,613.22 = 299,754.45 : x
  2. Step 2: Convert to fraction form
    525,124.80/787,613.22 = 299,754.45/x
  3. Step 3: Cross multiply
    525,124.80x = 787,613.22 × 299,754.45
  4. Step 4: Simplify right side
    525,124.80x = 236,090,567,573.83
  5. Step 5: Solve for x
    x = 236,090,567,573.83/525,124.80
  6. Step 6: Final answer
    x = 449,589.45

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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.