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Finding the Fourth Proportional to 536,333.54, 739,928.66 and 345,457.71

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Solution

The fourth proportional to 536,333.54, 739,928.66 and 345,457.71 is: 476,595.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,333.54 : 739,928.66 = 345,457.71 : x
  2. Step 2: Convert to fraction form
    536,333.54/739,928.66 = 345,457.71/x
  3. Step 3: Cross multiply
    536,333.54x = 739,928.66 × 345,457.71
  4. Step 4: Simplify right side
    536,333.54x = 255,614,058,719.68
  5. Step 5: Solve for x
    x = 255,614,058,719.68/536,333.54
  6. Step 6: Final answer
    x = 476,595.33

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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.