Home / 940,975.80-1,298,552.40-511,255.68

Finding the Fourth Proportional to 940,975.80, 1,298,552.40 and 511,255.68

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Solution

The fourth proportional to 940,975.80, 1,298,552.40 and 511,255.68 is: 705,535.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    940,975.80 : 1,298,552.40 = 511,255.68 : x
  2. Step 2: Convert to fraction form
    940,975.80/1,298,552.40 = 511,255.68/x
  3. Step 3: Cross multiply
    940,975.80x = 1,298,552.40 × 511,255.68
  4. Step 4: Simplify right side
    940,975.80x = 663,892,290,277.63
  5. Step 5: Solve for x
    x = 663,892,290,277.63/940,975.80
  6. Step 6: Final answer
    x = 705,535.99

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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.