Home / 750,859.88-1,035,927.62-428,337.32

Finding the Fourth Proportional to 750,859.88, 1,035,927.62 and 428,337.32

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Solution

The fourth proportional to 750,859.88, 1,035,927.62 and 428,337.32 is: 590,957.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,859.88 : 1,035,927.62 = 428,337.32 : x
  2. Step 2: Convert to fraction form
    750,859.88/1,035,927.62 = 428,337.32/x
  3. Step 3: Cross multiply
    750,859.88x = 1,035,927.62 × 428,337.32
  4. Step 4: Simplify right side
    750,859.88x = 443,726,460,464.78
  5. Step 5: Solve for x
    x = 443,726,460,464.78/750,859.88
  6. Step 6: Final answer
    x = 590,957.74

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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.