Home / 760,694.61-1,049,829-421,162.86

Finding the Fourth Proportional to 760,694.61, 1,049,829 and 421,162.86

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Solution

The fourth proportional to 760,694.61, 1,049,829 and 421,162.86 is: 581,243.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,694.61 : 1,049,829 = 421,162.86 : x
  2. Step 2: Convert to fraction form
    760,694.61/1,049,829 = 421,162.86/x
  3. Step 3: Cross multiply
    760,694.61x = 1,049,829 × 421,162.86
  4. Step 4: Simplify right side
    760,694.61x = 442,148,984,150.94
  5. Step 5: Solve for x
    x = 442,148,984,150.94/760,694.61
  6. Step 6: Final answer
    x = 581,243.75

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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.