Home / 940,620.81-1,298,060.43-510,908.10

Finding the Fourth Proportional to 940,620.81, 1,298,060.43 and 510,908.10

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Solution

The fourth proportional to 940,620.81, 1,298,060.43 and 510,908.10 is: 705,055.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    940,620.81 : 1,298,060.43 = 510,908.10 : x
  2. Step 2: Convert to fraction form
    940,620.81/1,298,060.43 = 510,908.10/x
  3. Step 3: Cross multiply
    940,620.81x = 1,298,060.43 × 510,908.10
  4. Step 4: Simplify right side
    940,620.81x = 663,189,587,976.48
  5. Step 5: Solve for x
    x = 663,189,587,976.48/940,620.81
  6. Step 6: Final answer
    x = 705,055.19

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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.