Home / 968,073.36-1,335,838.92-538,284.12

Finding the Fourth Proportional to 968,073.36, 1,335,838.92 and 538,284.12

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Solution

The fourth proportional to 968,073.36, 1,335,838.92 and 538,284.12 is: 742,775.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    968,073.36 : 1,335,838.92 = 538,284.12 : x
  2. Step 2: Convert to fraction form
    968,073.36/1,335,838.92 = 538,284.12/x
  3. Step 3: Cross multiply
    968,073.36x = 1,335,838.92 × 538,284.12
  4. Step 4: Simplify right side
    968,073.36x = 719,060,877,513.95
  5. Step 5: Solve for x
    x = 719,060,877,513.95/968,073.36
  6. Step 6: Final answer
    x = 742,775.19

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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.