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Finding the Fourth Proportional to 628,696.68, 942,700.38 and 249,233

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Solution

The fourth proportional to 628,696.68, 942,700.38 and 249,233 is: 373,712.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,696.68 : 942,700.38 = 249,233 : x
  2. Step 2: Convert to fraction form
    628,696.68/942,700.38 = 249,233/x
  3. Step 3: Cross multiply
    628,696.68x = 942,700.38 × 249,233
  4. Step 4: Simplify right side
    628,696.68x = 234,952,043,808.54
  5. Step 5: Solve for x
    x = 234,952,043,808.54/628,696.68
  6. Step 6: Final answer
    x = 373,712.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.