Home / 402,878.20-556,000.86-241,729.24

Finding the Fourth Proportional to 402,878.20, 556,000.86 and 241,729.24

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Solution

The fourth proportional to 402,878.20, 556,000.86 and 241,729.24 is: 333,603.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,878.20 : 556,000.86 = 241,729.24 : x
  2. Step 2: Convert to fraction form
    402,878.20/556,000.86 = 241,729.24/x
  3. Step 3: Cross multiply
    402,878.20x = 556,000.86 × 241,729.24
  4. Step 4: Simplify right side
    402,878.20x = 134,401,665,327.15
  5. Step 5: Solve for x
    x = 134,401,665,327.15/402,878.20
  6. Step 6: Final answer
    x = 333,603.72

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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.