Home / 968,146.74-1,336,033.17-538,406.10

Finding the Fourth Proportional to 968,146.74, 1,336,033.17 and 538,406.10

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Solution

The fourth proportional to 968,146.74, 1,336,033.17 and 538,406.10 is: 742,995.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    968,146.74 : 1,336,033.17 = 538,406.10 : x
  2. Step 2: Convert to fraction form
    968,146.74/1,336,033.17 = 538,406.10/x
  3. Step 3: Cross multiply
    968,146.74x = 1,336,033.17 × 538,406.10
  4. Step 4: Simplify right side
    968,146.74x = 719,328,408,530.34
  5. Step 5: Solve for x
    x = 719,328,408,530.34/968,146.74
  6. Step 6: Final answer
    x = 742,995.23

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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.