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Finding the Fourth Proportional to 536,916.09, 740,900.11 and 316,118.28

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Solution

The fourth proportional to 536,916.09, 740,900.11 and 316,118.28 is: 436,217.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,916.09 : 740,900.11 = 316,118.28 : x
  2. Step 2: Convert to fraction form
    536,916.09/740,900.11 = 316,118.28/x
  3. Step 3: Cross multiply
    536,916.09x = 740,900.11 × 316,118.28
  4. Step 4: Simplify right side
    536,916.09x = 234,212,068,425.01
  5. Step 5: Solve for x
    x = 234,212,068,425.01/536,916.09
  6. Step 6: Final answer
    x = 436,217.27

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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.