Home / 940,809.57-1,298,328.26-511,096.47

Finding the Fourth Proportional to 940,809.57, 1,298,328.26 and 511,096.47

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Solution

The fourth proportional to 940,809.57, 1,298,328.26 and 511,096.47 is: 705,319.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    940,809.57 : 1,298,328.26 = 511,096.47 : x
  2. Step 2: Convert to fraction form
    940,809.57/1,298,328.26 = 511,096.47/x
  3. Step 3: Cross multiply
    940,809.57x = 1,298,328.26 × 511,096.47
  4. Step 4: Simplify right side
    940,809.57x = 663,570,991,864.98
  5. Step 5: Solve for x
    x = 663,570,991,864.98/940,809.57
  6. Step 6: Final answer
    x = 705,319.13

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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.