Home / 389,229.93-537,441.35-304,588.17

Finding the Fourth Proportional to 389,229.93, 537,441.35 and 304,588.17

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Solution

The fourth proportional to 389,229.93, 537,441.35 and 304,588.17 is: 420,569.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,229.93 : 537,441.35 = 304,588.17 : x
  2. Step 2: Convert to fraction form
    389,229.93/537,441.35 = 304,588.17/x
  3. Step 3: Cross multiply
    389,229.93x = 537,441.35 × 304,588.17
  4. Step 4: Simplify right side
    389,229.93x = 163,698,277,278.83
  5. Step 5: Solve for x
    x = 163,698,277,278.83/389,229.93
  6. Step 6: Final answer
    x = 420,569.60

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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.