Home / 768,284.16-1,060,332.46-428,822.88

Finding the Fourth Proportional to 768,284.16, 1,060,332.46 and 428,822.88

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Solution

The fourth proportional to 768,284.16, 1,060,332.46 and 428,822.88 is: 591,831.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,284.16 : 1,060,332.46 = 428,822.88 : x
  2. Step 2: Convert to fraction form
    768,284.16/1,060,332.46 = 428,822.88/x
  3. Step 3: Cross multiply
    768,284.16x = 1,060,332.46 × 428,822.88
  4. Step 4: Simplify right side
    768,284.16x = 454,694,819,254.69
  5. Step 5: Solve for x
    x = 454,694,819,254.69/768,284.16
  6. Step 6: Final answer
    x = 591,831.57

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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.