Home / 536,026.21-739,731.69-303,434.78

Finding the Fourth Proportional to 536,026.21, 739,731.69 and 303,434.78

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Solution

The fourth proportional to 536,026.21, 739,731.69 and 303,434.78 is: 418,748.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,026.21 : 739,731.69 = 303,434.78 : x
  2. Step 2: Convert to fraction form
    536,026.21/739,731.69 = 303,434.78/x
  3. Step 3: Cross multiply
    536,026.21x = 739,731.69 × 303,434.78
  4. Step 4: Simplify right side
    536,026.21x = 224,460,318,915.52
  5. Step 5: Solve for x
    x = 224,460,318,915.52/536,026.21
  6. Step 6: Final answer
    x = 418,748.78

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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.