Home / 495,336.74-683,567.37-280,518.66

Finding the Fourth Proportional to 495,336.74, 683,567.37 and 280,518.66

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Solution

The fourth proportional to 495,336.74, 683,567.37 and 280,518.66 is: 387,117.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,336.74 : 683,567.37 = 280,518.66 : x
  2. Step 2: Convert to fraction form
    495,336.74/683,567.37 = 280,518.66/x
  3. Step 3: Cross multiply
    495,336.74x = 683,567.37 × 280,518.66
  4. Step 4: Simplify right side
    495,336.74x = 191,753,402,652.12
  5. Step 5: Solve for x
    x = 191,753,402,652.12/495,336.74
  6. Step 6: Final answer
    x = 387,117.27

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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.