Home / 760,187.56-1,049,066.24-420,655

Finding the Fourth Proportional to 760,187.56, 1,049,066.24 and 420,655

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Solution

The fourth proportional to 760,187.56, 1,049,066.24 and 420,655 is: 580,508.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,187.56 : 1,049,066.24 = 420,655 : x
  2. Step 2: Convert to fraction form
    760,187.56/1,049,066.24 = 420,655/x
  3. Step 3: Cross multiply
    760,187.56x = 1,049,066.24 × 420,655
  4. Step 4: Simplify right side
    760,187.56x = 441,294,959,187.20
  5. Step 5: Solve for x
    x = 441,294,959,187.20/760,187.56
  6. Step 6: Final answer
    x = 580,508.00

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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.