Home / 740,823.03-1,022,340.69-401,291.28

Finding the Fourth Proportional to 740,823.03, 1,022,340.69 and 401,291.28

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Solution

The fourth proportional to 740,823.03, 1,022,340.69 and 401,291.28 is: 553,784.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,823.03 : 1,022,340.69 = 401,291.28 : x
  2. Step 2: Convert to fraction form
    740,823.03/1,022,340.69 = 401,291.28/x
  3. Step 3: Cross multiply
    740,823.03x = 1,022,340.69 × 401,291.28
  4. Step 4: Simplify right side
    740,823.03x = 410,256,404,086.18
  5. Step 5: Solve for x
    x = 410,256,404,086.18/740,823.03
  6. Step 6: Final answer
    x = 553,784.63

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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.