Home / 693,825.68-957,426.44-421,856.08

Finding the Fourth Proportional to 693,825.68, 957,426.44 and 421,856.08

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Solution

The fourth proportional to 693,825.68, 957,426.44 and 421,856.08 is: 582,129.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,825.68 : 957,426.44 = 421,856.08 : x
  2. Step 2: Convert to fraction form
    693,825.68/957,426.44 = 421,856.08/x
  3. Step 3: Cross multiply
    693,825.68x = 957,426.44 × 421,856.08
  4. Step 4: Simplify right side
    693,825.68x = 403,896,164,866.76
  5. Step 5: Solve for x
    x = 403,896,164,866.76/693,825.68
  6. Step 6: Final answer
    x = 582,129.17

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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.