Home / 722,038.20-1,083,834.90-407,110.20

Finding the Fourth Proportional to 722,038.20, 1,083,834.90 and 407,110.20

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Solution

The fourth proportional to 722,038.20, 1,083,834.90 and 407,110.20 is: 611,103.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,038.20 : 1,083,834.90 = 407,110.20 : x
  2. Step 2: Convert to fraction form
    722,038.20/1,083,834.90 = 407,110.20/x
  3. Step 3: Cross multiply
    722,038.20x = 1,083,834.90 × 407,110.20
  4. Step 4: Simplify right side
    722,038.20x = 441,240,242,905.98
  5. Step 5: Solve for x
    x = 441,240,242,905.98/722,038.20
  6. Step 6: Final answer
    x = 611,103.74

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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.