Home / 782,043.63-1,079,131.01-437,831.70

Finding the Fourth Proportional to 782,043.63, 1,079,131.01 and 437,831.70

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Solution

The fourth proportional to 782,043.63, 1,079,131.01 and 437,831.70 is: 604,157.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,043.63 : 1,079,131.01 = 437,831.70 : x
  2. Step 2: Convert to fraction form
    782,043.63/1,079,131.01 = 437,831.70/x
  3. Step 3: Cross multiply
    782,043.63x = 1,079,131.01 × 437,831.70
  4. Step 4: Simplify right side
    782,043.63x = 472,477,762,441.86
  5. Step 5: Solve for x
    x = 472,477,762,441.86/782,043.63
  6. Step 6: Final answer
    x = 604,157.80

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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.