Home / 671,340.90-1,007,011.32-197,989.34

Finding the Fourth Proportional to 671,340.90, 1,007,011.32 and 197,989.34

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Solution

The fourth proportional to 671,340.90, 1,007,011.32 and 197,989.34 is: 296,984.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,340.90 : 1,007,011.32 = 197,989.34 : x
  2. Step 2: Convert to fraction form
    671,340.90/1,007,011.32 = 197,989.34/x
  3. Step 3: Cross multiply
    671,340.90x = 1,007,011.32 × 197,989.34
  4. Step 4: Simplify right side
    671,340.90x = 199,377,506,619.33
  5. Step 5: Solve for x
    x = 199,377,506,619.33/671,340.90
  6. Step 6: Final answer
    x = 296,984.00

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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.