Home / 760,500.44-1,049,490.60-420,968.68

Finding the Fourth Proportional to 760,500.44, 1,049,490.60 and 420,968.68

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Solution

The fourth proportional to 760,500.44, 1,049,490.60 and 420,968.68 is: 580,936.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,500.44 : 1,049,490.60 = 420,968.68 : x
  2. Step 2: Convert to fraction form
    760,500.44/1,049,490.60 = 420,968.68/x
  3. Step 3: Cross multiply
    760,500.44x = 1,049,490.60 × 420,968.68
  4. Step 4: Simplify right side
    760,500.44x = 441,802,672,554.41
  5. Step 5: Solve for x
    x = 441,802,672,554.41/760,500.44
  6. Step 6: Final answer
    x = 580,936.77

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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.