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Finding the Fourth Proportional to 532,484.38, 734,801.02 and 290,720.34

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Solution

The fourth proportional to 532,484.38, 734,801.02 and 290,720.34 is: 401,179.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,484.38 : 734,801.02 = 290,720.34 : x
  2. Step 2: Convert to fraction form
    532,484.38/734,801.02 = 290,720.34/x
  3. Step 3: Cross multiply
    532,484.38x = 734,801.02 × 290,720.34
  4. Step 4: Simplify right side
    532,484.38x = 213,621,601,639.95
  5. Step 5: Solve for x
    x = 213,621,601,639.95/532,484.38
  6. Step 6: Final answer
    x = 401,179.09

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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.