Home / 727,979.22-1,004,686.46-437,685.75

Finding the Fourth Proportional to 727,979.22, 1,004,686.46 and 437,685.75

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Solution

The fourth proportional to 727,979.22, 1,004,686.46 and 437,685.75 is: 604,051.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,979.22 : 1,004,686.46 = 437,685.75 : x
  2. Step 2: Convert to fraction form
    727,979.22/1,004,686.46 = 437,685.75/x
  3. Step 3: Cross multiply
    727,979.22x = 1,004,686.46 × 437,685.75
  4. Step 4: Simplify right side
    727,979.22x = 439,736,944,571.52
  5. Step 5: Solve for x
    x = 439,736,944,571.52/727,979.22
  6. Step 6: Final answer
    x = 604,051.51

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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.