Home / 738,661.71-1,019,827.56-463,396.95

Finding the Fourth Proportional to 738,661.71, 1,019,827.56 and 463,396.95

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Solution

The fourth proportional to 738,661.71, 1,019,827.56 and 463,396.95 is: 639,785.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,661.71 : 1,019,827.56 = 463,396.95 : x
  2. Step 2: Convert to fraction form
    738,661.71/1,019,827.56 = 463,396.95/x
  3. Step 3: Cross multiply
    738,661.71x = 1,019,827.56 × 463,396.95
  4. Step 4: Simplify right side
    738,661.71x = 472,584,982,567.68
  5. Step 5: Solve for x
    x = 472,584,982,567.68/738,661.71
  6. Step 6: Final answer
    x = 639,785.41

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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.