Home / 434,324.20-651,486.30-372,116.20

Finding the Fourth Proportional to 434,324.20, 651,486.30 and 372,116.20

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Solution

The fourth proportional to 434,324.20, 651,486.30 and 372,116.20 is: 558,174.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,324.20 : 651,486.30 = 372,116.20 : x
  2. Step 2: Convert to fraction form
    434,324.20/651,486.30 = 372,116.20/x
  3. Step 3: Cross multiply
    434,324.20x = 651,486.30 × 372,116.20
  4. Step 4: Simplify right side
    434,324.20x = 242,428,606,308.06
  5. Step 5: Solve for x
    x = 242,428,606,308.06/434,324.20
  6. Step 6: Final answer
    x = 558,174.30

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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.