Home / 489,931.01-676,099.73-275,066.09

Finding the Fourth Proportional to 489,931.01, 676,099.73 and 275,066.09

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Solution

The fourth proportional to 489,931.01, 676,099.73 and 275,066.09 is: 379,588.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,931.01 : 676,099.73 = 275,066.09 : x
  2. Step 2: Convert to fraction form
    489,931.01/676,099.73 = 275,066.09/x
  3. Step 3: Cross multiply
    489,931.01x = 676,099.73 × 275,066.09
  4. Step 4: Simplify right side
    489,931.01x = 185,972,106,488.32
  5. Step 5: Solve for x
    x = 185,972,106,488.32/489,931.01
  6. Step 6: Final answer
    x = 379,588.36

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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.