Home / 760,372.73-1,049,243.28-454,388.39

Finding the Fourth Proportional to 760,372.73, 1,049,243.28 and 454,388.39

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Solution

The fourth proportional to 760,372.73, 1,049,243.28 and 454,388.39 is: 627,013.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,372.73 : 1,049,243.28 = 454,388.39 : x
  2. Step 2: Convert to fraction form
    760,372.73/1,049,243.28 = 454,388.39/x
  3. Step 3: Cross multiply
    760,372.73x = 1,049,243.28 × 454,388.39
  4. Step 4: Simplify right side
    760,372.73x = 476,763,964,717.52
  5. Step 5: Solve for x
    x = 476,763,964,717.52/760,372.73
  6. Step 6: Final answer
    x = 627,013.50

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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.