Home / 750,339.03-1,035,371.34-428,029.86

Finding the Fourth Proportional to 750,339.03, 1,035,371.34 and 428,029.86

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Solution

The fourth proportional to 750,339.03, 1,035,371.34 and 428,029.86 is: 590,626.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,339.03 : 1,035,371.34 = 428,029.86 : x
  2. Step 2: Convert to fraction form
    750,339.03/1,035,371.34 = 428,029.86/x
  3. Step 3: Cross multiply
    750,339.03x = 1,035,371.34 × 428,029.86
  4. Step 4: Simplify right side
    750,339.03x = 443,169,849,708.21
  5. Step 5: Solve for x
    x = 443,169,849,708.21/750,339.03
  6. Step 6: Final answer
    x = 590,626.15

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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.