Home / 760,376.88-1,049,316.12-420,833.52

Finding the Fourth Proportional to 760,376.88, 1,049,316.12 and 420,833.52

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Solution

The fourth proportional to 760,376.88, 1,049,316.12 and 420,833.52 is: 580,748.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,376.88 : 1,049,316.12 = 420,833.52 : x
  2. Step 2: Convert to fraction form
    760,376.88/1,049,316.12 = 420,833.52/x
  3. Step 3: Cross multiply
    760,376.88x = 1,049,316.12 × 420,833.52
  4. Step 4: Simplify right side
    760,376.88x = 441,587,396,372.34
  5. Step 5: Solve for x
    x = 441,587,396,372.34/760,376.88
  6. Step 6: Final answer
    x = 580,748.06

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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.