Home / 779,896.32-1,076,072.43-453,015.15

Finding the Fourth Proportional to 779,896.32, 1,076,072.43 and 453,015.15

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Solution

The fourth proportional to 779,896.32, 1,076,072.43 and 453,015.15 is: 625,053.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,896.32 : 1,076,072.43 = 453,015.15 : x
  2. Step 2: Convert to fraction form
    779,896.32/1,076,072.43 = 453,015.15/x
  3. Step 3: Cross multiply
    779,896.32x = 1,076,072.43 × 453,015.15
  4. Step 4: Simplify right side
    779,896.32x = 487,477,113,287.32
  5. Step 5: Solve for x
    x = 487,477,113,287.32/779,896.32
  6. Step 6: Final answer
    x = 625,053.74

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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.