Home / 521,022.54-719,049.73-291,602.82

Finding the Fourth Proportional to 521,022.54, 719,049.73 and 291,602.82

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Solution

The fourth proportional to 521,022.54, 719,049.73 and 291,602.82 is: 402,433.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,022.54 : 719,049.73 = 291,602.82 : x
  2. Step 2: Convert to fraction form
    521,022.54/719,049.73 = 291,602.82/x
  3. Step 3: Cross multiply
    521,022.54x = 719,049.73 × 291,602.82
  4. Step 4: Simplify right side
    521,022.54x = 209,676,928,988.24
  5. Step 5: Solve for x
    x = 209,676,928,988.24/521,022.54
  6. Step 6: Final answer
    x = 402,433.51

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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.