Home / 495,032.40-683,027.61-280,172.46

Finding the Fourth Proportional to 495,032.40, 683,027.61 and 280,172.46

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Solution

The fourth proportional to 495,032.40, 683,027.61 and 280,172.46 is: 386,571.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,032.40 : 683,027.61 = 280,172.46 : x
  2. Step 2: Convert to fraction form
    495,032.40/683,027.61 = 280,172.46/x
  3. Step 3: Cross multiply
    495,032.40x = 683,027.61 × 280,172.46
  4. Step 4: Simplify right side
    495,032.40x = 191,365,525,741.62
  5. Step 5: Solve for x
    x = 191,365,525,741.62/495,032.40
  6. Step 6: Final answer
    x = 386,571.72

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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.