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Finding the Fourth Proportional to 532,435.69, 734,791.02 and 290,740.70

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Solution

The fourth proportional to 532,435.69, 734,791.02 and 290,740.70 is: 401,238.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,435.69 : 734,791.02 = 290,740.70 : x
  2. Step 2: Convert to fraction form
    532,435.69/734,791.02 = 290,740.70/x
  3. Step 3: Cross multiply
    532,435.69x = 734,791.02 × 290,740.70
  4. Step 4: Simplify right side
    532,435.69x = 213,633,655,508.51
  5. Step 5: Solve for x
    x = 213,633,655,508.51/532,435.69
  6. Step 6: Final answer
    x = 401,238.42

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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.