Home / 968,299.72-1,336,534.97-646,009.02

Finding the Fourth Proportional to 968,299.72, 1,336,534.97 and 646,009.02

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Solution

The fourth proportional to 968,299.72, 1,336,534.97 and 646,009.02 is: 891,680.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    968,299.72 : 1,336,534.97 = 646,009.02 : x
  2. Step 2: Convert to fraction form
    968,299.72/1,336,534.97 = 646,009.02/x
  3. Step 3: Cross multiply
    968,299.72x = 1,336,534.97 × 646,009.02
  4. Step 4: Simplify right side
    968,299.72x = 863,413,642,935.38
  5. Step 5: Solve for x
    x = 863,413,642,935.38/968,299.72
  6. Step 6: Final answer
    x = 891,680.16

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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.