Home / 536,103.28-739,881.57-306,681.72

Finding the Fourth Proportional to 536,103.28, 739,881.57 and 306,681.72

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Solution

The fourth proportional to 536,103.28, 739,881.57 and 306,681.72 is: 423,254.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,103.28 : 739,881.57 = 306,681.72 : x
  2. Step 2: Convert to fraction form
    536,103.28/739,881.57 = 306,681.72/x
  3. Step 3: Cross multiply
    536,103.28x = 739,881.57 × 306,681.72
  4. Step 4: Simplify right side
    536,103.28x = 226,908,152,483.90
  5. Step 5: Solve for x
    x = 226,908,152,483.90/536,103.28
  6. Step 6: Final answer
    x = 423,254.55

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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.