Home / 771,305.69-1,157,704.85-372,227.40

Finding the Fourth Proportional to 771,305.69, 1,157,704.85 and 372,227.40

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Solution

The fourth proportional to 771,305.69, 1,157,704.85 and 372,227.40 is: 558,701.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,305.69 : 1,157,704.85 = 372,227.40 : x
  2. Step 2: Convert to fraction form
    771,305.69/1,157,704.85 = 372,227.40/x
  3. Step 3: Cross multiply
    771,305.69x = 1,157,704.85 × 372,227.40
  4. Step 4: Simplify right side
    771,305.69x = 430,929,467,213.46
  5. Step 5: Solve for x
    x = 430,929,467,213.46/771,305.69
  6. Step 6: Final answer
    x = 558,701.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.