Home / 891,850.23-1,230,402.96-509,671.98

Finding the Fourth Proportional to 891,850.23, 1,230,402.96 and 509,671.98

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Solution

The fourth proportional to 891,850.23, 1,230,402.96 and 509,671.98 is: 703,147.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,850.23 : 1,230,402.96 = 509,671.98 : x
  2. Step 2: Convert to fraction form
    891,850.23/1,230,402.96 = 509,671.98/x
  3. Step 3: Cross multiply
    891,850.23x = 1,230,402.96 × 509,671.98
  4. Step 4: Simplify right side
    891,850.23x = 627,101,912,821.06
  5. Step 5: Solve for x
    x = 627,101,912,821.06/891,850.23
  6. Step 6: Final answer
    x = 703,147.11

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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.