Home / 760,694.49-1,049,828.82-421,162.74

Finding the Fourth Proportional to 760,694.49, 1,049,828.82 and 421,162.74

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Solution

The fourth proportional to 760,694.49, 1,049,828.82 and 421,162.74 is: 581,243.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,694.49 : 1,049,828.82 = 421,162.74 : x
  2. Step 2: Convert to fraction form
    760,694.49/1,049,828.82 = 421,162.74/x
  3. Step 3: Cross multiply
    760,694.49x = 1,049,828.82 × 421,162.74
  4. Step 4: Simplify right side
    760,694.49x = 442,148,782,362.17
  5. Step 5: Solve for x
    x = 442,148,782,362.17/760,694.49
  6. Step 6: Final answer
    x = 581,243.57

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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.