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Finding the Fourth Proportional to 577,119.60, 865,679.40 and 349,780.95

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Solution

The fourth proportional to 577,119.60, 865,679.40 and 349,780.95 is: 524,671.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,119.60 : 865,679.40 = 349,780.95 : x
  2. Step 2: Convert to fraction form
    577,119.60/865,679.40 = 349,780.95/x
  3. Step 3: Cross multiply
    577,119.60x = 865,679.40 × 349,780.95
  4. Step 4: Simplify right side
    577,119.60x = 302,798,162,927.43
  5. Step 5: Solve for x
    x = 302,798,162,927.43/577,119.60
  6. Step 6: Final answer
    x = 524,671.43

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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.