Home / 517,829.95-713,380.12-493,913.89

Finding the Fourth Proportional to 517,829.95, 713,380.12 and 493,913.89

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Solution

The fourth proportional to 517,829.95, 713,380.12 and 493,913.89 is: 680,432.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,829.95 : 713,380.12 = 493,913.89 : x
  2. Step 2: Convert to fraction form
    517,829.95/713,380.12 = 493,913.89/x
  3. Step 3: Cross multiply
    517,829.95x = 713,380.12 × 493,913.89
  4. Step 4: Simplify right side
    517,829.95x = 352,348,350,117.87
  5. Step 5: Solve for x
    x = 352,348,350,117.87/517,829.95
  6. Step 6: Final answer
    x = 680,432.54

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1.5x scale

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.