Home / 513,329.72-708,399.71-283,875.14

Finding the Fourth Proportional to 513,329.72, 708,399.71 and 283,875.14

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Solution

The fourth proportional to 513,329.72, 708,399.71 and 283,875.14 is: 391,750.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    513,329.72 : 708,399.71 = 283,875.14 : x
  2. Step 2: Convert to fraction form
    513,329.72/708,399.71 = 283,875.14/x
  3. Step 3: Cross multiply
    513,329.72x = 708,399.71 × 283,875.14
  4. Step 4: Simplify right side
    513,329.72x = 201,097,068,268.37
  5. Step 5: Solve for x
    x = 201,097,068,268.37/513,329.72
  6. Step 6: Final answer
    x = 391,750.30

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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.