Home / 903,931.46-1,247,116.43-516,468.86

Finding the Fourth Proportional to 903,931.46, 1,247,116.43 and 516,468.86

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Solution

The fourth proportional to 903,931.46, 1,247,116.43 and 516,468.86 is: 712,550.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    903,931.46 : 1,247,116.43 = 516,468.86 : x
  2. Step 2: Convert to fraction form
    903,931.46/1,247,116.43 = 516,468.86/x
  3. Step 3: Cross multiply
    903,931.46x = 1,247,116.43 × 516,468.86
  4. Step 4: Simplify right side
    903,931.46x = 644,096,800,889.37
  5. Step 5: Solve for x
    x = 644,096,800,889.37/903,931.46
  6. Step 6: Final answer
    x = 712,550.49

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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.