Home / 537,278.47-741,550.14-307,989.59

Finding the Fourth Proportional to 537,278.47, 741,550.14 and 307,989.59

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Solution

The fourth proportional to 537,278.47, 741,550.14 and 307,989.59 is: 425,086.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,278.47 : 741,550.14 = 307,989.59 : x
  2. Step 2: Convert to fraction form
    537,278.47/741,550.14 = 307,989.59/x
  3. Step 3: Cross multiply
    537,278.47x = 741,550.14 × 307,989.59
  4. Step 4: Simplify right side
    537,278.47x = 228,389,724,046.51
  5. Step 5: Solve for x
    x = 228,389,724,046.51/537,278.47
  6. Step 6: Final answer
    x = 425,086.32

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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.