Home / 468,815.29-646,968.21-253,955.36

Finding the Fourth Proportional to 468,815.29, 646,968.21 and 253,955.36

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Solution

The fourth proportional to 468,815.29, 646,968.21 and 253,955.36 is: 350,460.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,815.29 : 646,968.21 = 253,955.36 : x
  2. Step 2: Convert to fraction form
    468,815.29/646,968.21 = 253,955.36/x
  3. Step 3: Cross multiply
    468,815.29x = 646,968.21 × 253,955.36
  4. Step 4: Simplify right side
    468,815.29x = 164,301,044,679.11
  5. Step 5: Solve for x
    x = 164,301,044,679.11/468,815.29
  6. Step 6: Final answer
    x = 350,460.08

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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.