Home / 385,976.54-578,966.16-273,316.01

Finding the Fourth Proportional to 385,976.54, 578,966.16 and 273,316.01

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Solution

The fourth proportional to 385,976.54, 578,966.16 and 273,316.01 is: 409,974.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,976.54 : 578,966.16 = 273,316.01 : x
  2. Step 2: Convert to fraction form
    385,976.54/578,966.16 = 273,316.01/x
  3. Step 3: Cross multiply
    385,976.54x = 578,966.16 × 273,316.01
  4. Step 4: Simplify right side
    385,976.54x = 158,240,717,881.39
  5. Step 5: Solve for x
    x = 158,240,717,881.39/385,976.54
  6. Step 6: Final answer
    x = 409,974.97

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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.