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Finding the Fourth Proportional to 582,995.53, 873,756.53 and 312,451.35

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Solution

The fourth proportional to 582,995.53, 873,756.53 and 312,451.35 is: 468,282.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    582,995.53 : 873,756.53 = 312,451.35 : x
  2. Step 2: Convert to fraction form
    582,995.53/873,756.53 = 312,451.35/x
  3. Step 3: Cross multiply
    582,995.53x = 873,756.53 × 312,451.35
  4. Step 4: Simplify right side
    582,995.53x = 273,006,407,369.82
  5. Step 5: Solve for x
    x = 273,006,407,369.82/582,995.53
  6. Step 6: Final answer
    x = 468,282.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.