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Finding the Fourth Proportional to 541,649.84, 747,467.62 and 299,927.21

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Solution

The fourth proportional to 541,649.84, 747,467.62 and 299,927.21 is: 413,894.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,649.84 : 747,467.62 = 299,927.21 : x
  2. Step 2: Convert to fraction form
    541,649.84/747,467.62 = 299,927.21/x
  3. Step 3: Cross multiply
    541,649.84x = 747,467.62 × 299,927.21
  4. Step 4: Simplify right side
    541,649.84x = 224,185,878,950.79
  5. Step 5: Solve for x
    x = 224,185,878,950.79/541,649.84
  6. Step 6: Final answer
    x = 413,894.48

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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.