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Finding the Fourth Proportional to 552,097.68, 761,921.84 and 310,456.32

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Solution

The fourth proportional to 552,097.68, 761,921.84 and 310,456.32 is: 428,444.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,097.68 : 761,921.84 = 310,456.32 : x
  2. Step 2: Convert to fraction form
    552,097.68/761,921.84 = 310,456.32/x
  3. Step 3: Cross multiply
    552,097.68x = 761,921.84 × 310,456.32
  4. Step 4: Simplify right side
    552,097.68x = 236,543,450,574.03
  5. Step 5: Solve for x
    x = 236,543,450,574.03/552,097.68
  6. Step 6: Final answer
    x = 428,444.93

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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.