Home / 930,908.64-1,396,393.20-257,040.48

Finding the Fourth Proportional to 930,908.64, 1,396,393.20 and 257,040.48

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Solution

The fourth proportional to 930,908.64, 1,396,393.20 and 257,040.48 is: 385,569.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    930,908.64 : 1,396,393.20 = 257,040.48 : x
  2. Step 2: Convert to fraction form
    930,908.64/1,396,393.20 = 257,040.48/x
  3. Step 3: Cross multiply
    930,908.64x = 1,396,393.20 × 257,040.48
  4. Step 4: Simplify right side
    930,908.64x = 358,929,578,396.74
  5. Step 5: Solve for x
    x = 358,929,578,396.74/930,908.64
  6. Step 6: Final answer
    x = 385,569.07

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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.