Home / 928,272.34-1,391,603.50-359,261.76

Finding the Fourth Proportional to 928,272.34, 1,391,603.50 and 359,261.76

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Solution

The fourth proportional to 928,272.34, 1,391,603.50 and 359,261.76 is: 538,581.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    928,272.34 : 1,391,603.50 = 359,261.76 : x
  2. Step 2: Convert to fraction form
    928,272.34/1,391,603.50 = 359,261.76/x
  3. Step 3: Cross multiply
    928,272.34x = 1,391,603.50 × 359,261.76
  4. Step 4: Simplify right side
    928,272.34x = 499,949,922,632.16
  5. Step 5: Solve for x
    x = 499,949,922,632.16/928,272.34
  6. Step 6: Final answer
    x = 538,581.08

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1.5x scale

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.