Home / 389,229.43-537,440.66-304,587.67

Finding the Fourth Proportional to 389,229.43, 537,440.66 and 304,587.67

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Solution

The fourth proportional to 389,229.43, 537,440.66 and 304,587.67 is: 420,568.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,229.43 : 537,440.66 = 304,587.67 : x
  2. Step 2: Convert to fraction form
    389,229.43/537,440.66 = 304,587.67/x
  3. Step 3: Cross multiply
    389,229.43x = 537,440.66 × 304,587.67
  4. Step 4: Simplify right side
    389,229.43x = 163,697,798,392.66
  5. Step 5: Solve for x
    x = 163,697,798,392.66/389,229.43
  6. Step 6: Final answer
    x = 420,568.91

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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.