Home / 712,110.02-982,826.26-406,286.15

Finding the Fourth Proportional to 712,110.02, 982,826.26 and 406,286.15

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Solution

The fourth proportional to 712,110.02, 982,826.26 and 406,286.15 is: 560,740.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,110.02 : 982,826.26 = 406,286.15 : x
  2. Step 2: Convert to fraction form
    712,110.02/982,826.26 = 406,286.15/x
  3. Step 3: Cross multiply
    712,110.02x = 982,826.26 × 406,286.15
  4. Step 4: Simplify right side
    712,110.02x = 399,308,691,364.45
  5. Step 5: Solve for x
    x = 399,308,691,364.45/712,110.02
  6. Step 6: Final answer
    x = 560,740.17

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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.