Home / 891,468.71-1,229,296.38-528,822.51

Finding the Fourth Proportional to 891,468.71, 1,229,296.38 and 528,822.51

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Solution

The fourth proportional to 891,468.71, 1,229,296.38 and 528,822.51 is: 729,223.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,468.71 : 1,229,296.38 = 528,822.51 : x
  2. Step 2: Convert to fraction form
    891,468.71/1,229,296.38 = 528,822.51/x
  3. Step 3: Cross multiply
    891,468.71x = 1,229,296.38 × 528,822.51
  4. Step 4: Simplify right side
    891,468.71x = 650,079,592,595.65
  5. Step 5: Solve for x
    x = 650,079,592,595.65/891,468.71
  6. Step 6: Final answer
    x = 729,223.12

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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.