Home / 532,427.05-734,743.73-290,708.87

Finding the Fourth Proportional to 532,427.05, 734,743.73 and 290,708.87

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Solution

The fourth proportional to 532,427.05, 734,743.73 and 290,708.87 is: 401,175.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,427.05 : 734,743.73 = 290,708.87 : x
  2. Step 2: Convert to fraction form
    532,427.05/734,743.73 = 290,708.87/x
  3. Step 3: Cross multiply
    532,427.05x = 734,743.73 × 290,708.87
  4. Step 4: Simplify right side
    532,427.05x = 213,596,518,034.34
  5. Step 5: Solve for x
    x = 213,596,518,034.34/532,427.05
  6. Step 6: Final answer
    x = 401,175.18

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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.