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Finding the Fourth Proportional to 518,027.59, 714,929.25 and 303,154.84

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Solution

The fourth proportional to 518,027.59, 714,929.25 and 303,154.84 is: 418,383.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    518,027.59 : 714,929.25 = 303,154.84 : x
  2. Step 2: Convert to fraction form
    518,027.59/714,929.25 = 303,154.84/x
  3. Step 3: Cross multiply
    518,027.59x = 714,929.25 × 303,154.84
  4. Step 4: Simplify right side
    518,027.59x = 216,734,262,395.07
  5. Step 5: Solve for x
    x = 216,734,262,395.07/518,027.59
  6. Step 6: Final answer
    x = 418,383.63

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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.