Home / 760,374.38-1,049,245.41-454,389.84

Finding the Fourth Proportional to 760,374.38, 1,049,245.41 and 454,389.84

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Solution

The fourth proportional to 760,374.38, 1,049,245.41 and 454,389.84 is: 627,015.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,374.38 : 1,049,245.41 = 454,389.84 : x
  2. Step 2: Convert to fraction form
    760,374.38/1,049,245.41 = 454,389.84/x
  3. Step 3: Cross multiply
    760,374.38x = 1,049,245.41 × 454,389.84
  4. Step 4: Simplify right side
    760,374.38x = 476,766,453,970.63
  5. Step 5: Solve for x
    x = 476,766,453,970.63/760,374.38
  6. Step 6: Final answer
    x = 627,015.41

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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.