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Finding the Fourth Proportional to 750,147.60, 1,035,216 and 423,477.84

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Solution

The fourth proportional to 750,147.60, 1,035,216 and 423,477.84 is: 584,406.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,147.60 : 1,035,216 = 423,477.84 : x
  2. Step 2: Convert to fraction form
    750,147.60/1,035,216 = 423,477.84/x
  3. Step 3: Cross multiply
    750,147.60x = 1,035,216 × 423,477.84
  4. Step 4: Simplify right side
    750,147.60x = 438,391,035,613.44
  5. Step 5: Solve for x
    x = 438,391,035,613.44/750,147.60
  6. Step 6: Final answer
    x = 584,406.37

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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.