Home / 760,378.88-1,049,251.62-454,394.34

Finding the Fourth Proportional to 760,378.88, 1,049,251.62 and 454,394.34

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Solution

The fourth proportional to 760,378.88, 1,049,251.62 and 454,394.34 is: 627,021.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,378.88 : 1,049,251.62 = 454,394.34 : x
  2. Step 2: Convert to fraction form
    760,378.88/1,049,251.62 = 454,394.34/x
  3. Step 3: Cross multiply
    760,378.88x = 1,049,251.62 × 454,394.34
  4. Step 4: Simplify right side
    760,378.88x = 476,773,997,363.83
  5. Step 5: Solve for x
    x = 476,773,997,363.83/760,378.88
  6. Step 6: Final answer
    x = 627,021.62

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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.