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Finding the Fourth Proportional to 513,329.97, 708,400.06 and 283,875.39

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Solution

The fourth proportional to 513,329.97, 708,400.06 and 283,875.39 is: 391,750.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    513,329.97 : 708,400.06 = 283,875.39 : x
  2. Step 2: Convert to fraction form
    513,329.97/708,400.06 = 283,875.39/x
  3. Step 3: Cross multiply
    513,329.97x = 708,400.06 × 283,875.39
  4. Step 4: Simplify right side
    513,329.97x = 201,097,343,660.15
  5. Step 5: Solve for x
    x = 201,097,343,660.15/513,329.97
  6. Step 6: Final answer
    x = 391,750.64

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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.