Home / 909,743.28-1,364,596.29-404,167.20

Finding the Fourth Proportional to 909,743.28, 1,364,596.29 and 404,167.20

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Solution

The fourth proportional to 909,743.28, 1,364,596.29 and 404,167.20 is: 606,242.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,743.28 : 1,364,596.29 = 404,167.20 : x
  2. Step 2: Convert to fraction form
    909,743.28/1,364,596.29 = 404,167.20/x
  3. Step 3: Cross multiply
    909,743.28x = 1,364,596.29 × 404,167.20
  4. Step 4: Simplify right side
    909,743.28x = 551,525,061,659.69
  5. Step 5: Solve for x
    x = 551,525,061,659.69/909,743.28
  6. Step 6: Final answer
    x = 606,242.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.