Home / 532,479.29-734,851.17-290,784.33

Finding the Fourth Proportional to 532,479.29, 734,851.17 and 290,784.33

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Solution

The fourth proportional to 532,479.29, 734,851.17 and 290,784.33 is: 401,298.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,479.29 : 734,851.17 = 290,784.33 : x
  2. Step 2: Convert to fraction form
    532,479.29/734,851.17 = 290,784.33/x
  3. Step 3: Cross multiply
    532,479.29x = 734,851.17 × 290,784.33
  4. Step 4: Simplify right side
    532,479.29x = 213,683,205,118.17
  5. Step 5: Solve for x
    x = 213,683,205,118.17/532,479.29
  6. Step 6: Final answer
    x = 401,298.63

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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.