Home / 495,444.83-683,690.95-280,586.44

Finding the Fourth Proportional to 495,444.83, 683,690.95 and 280,586.44

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Solution

The fourth proportional to 495,444.83, 683,690.95 and 280,586.44 is: 387,196.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,444.83 : 683,690.95 = 280,586.44 : x
  2. Step 2: Convert to fraction form
    495,444.83/683,690.95 = 280,586.44/x
  3. Step 3: Cross multiply
    495,444.83x = 683,690.95 × 280,586.44
  4. Step 4: Simplify right side
    495,444.83x = 191,834,409,720.72
  5. Step 5: Solve for x
    x = 191,834,409,720.72/495,444.83
  6. Step 6: Final answer
    x = 387,196.31

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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.