Home / 642,094.98-886,082.13-370,163.40

Finding the Fourth Proportional to 642,094.98, 886,082.13 and 370,163.40

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Solution

The fourth proportional to 642,094.98, 886,082.13 and 370,163.40 is: 510,820.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    642,094.98 : 886,082.13 = 370,163.40 : x
  2. Step 2: Convert to fraction form
    642,094.98/886,082.13 = 370,163.40/x
  3. Step 3: Cross multiply
    642,094.98x = 886,082.13 × 370,163.40
  4. Step 4: Simplify right side
    642,094.98x = 327,995,173,920.04
  5. Step 5: Solve for x
    x = 327,995,173,920.04/642,094.98
  6. Step 6: Final answer
    x = 510,820.34

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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.