Home / 436,338.61-602,073.88-242,720.76

Finding the Fourth Proportional to 436,338.61, 602,073.88 and 242,720.76

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Solution

The fourth proportional to 436,338.61, 602,073.88 and 242,720.76 is: 334,913.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,338.61 : 602,073.88 = 242,720.76 : x
  2. Step 2: Convert to fraction form
    436,338.61/602,073.88 = 242,720.76/x
  3. Step 3: Cross multiply
    436,338.61x = 602,073.88 × 242,720.76
  4. Step 4: Simplify right side
    436,338.61x = 146,135,831,380.72
  5. Step 5: Solve for x
    x = 146,135,831,380.72/436,338.61
  6. Step 6: Final answer
    x = 334,913.82

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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.