Home / 760,514.28-1,049,436.84-454,529.73

Finding the Fourth Proportional to 760,514.28, 1,049,436.84 and 454,529.73

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Solution

The fourth proportional to 760,514.28, 1,049,436.84 and 454,529.73 is: 627,207.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,514.28 : 1,049,436.84 = 454,529.73 : x
  2. Step 2: Convert to fraction form
    760,514.28/1,049,436.84 = 454,529.73/x
  3. Step 3: Cross multiply
    760,514.28x = 1,049,436.84 × 454,529.73
  4. Step 4: Simplify right side
    760,514.28x = 477,000,243,537.25
  5. Step 5: Solve for x
    x = 477,000,243,537.25/760,514.28
  6. Step 6: Final answer
    x = 627,207.48

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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.