Home / 672,731.04-1,009,194.48-199,355.04

Finding the Fourth Proportional to 672,731.04, 1,009,194.48 and 199,355.04

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Solution

The fourth proportional to 672,731.04, 1,009,194.48 and 199,355.04 is: 299,061.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,731.04 : 1,009,194.48 = 199,355.04 : x
  2. Step 2: Convert to fraction form
    672,731.04/1,009,194.48 = 199,355.04/x
  3. Step 3: Cross multiply
    672,731.04x = 1,009,194.48 × 199,355.04
  4. Step 4: Simplify right side
    672,731.04x = 201,188,005,928.18
  5. Step 5: Solve for x
    x = 201,188,005,928.18/672,731.04
  6. Step 6: Final answer
    x = 299,061.58

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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.