Home / 697,384.48-1,046,480.28-292,540.42

Finding the Fourth Proportional to 697,384.48, 1,046,480.28 and 292,540.42

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Solution

The fourth proportional to 697,384.48, 1,046,480.28 and 292,540.42 is: 438,979.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,384.48 : 1,046,480.28 = 292,540.42 : x
  2. Step 2: Convert to fraction form
    697,384.48/1,046,480.28 = 292,540.42/x
  3. Step 3: Cross multiply
    697,384.48x = 1,046,480.28 × 292,540.42
  4. Step 4: Simplify right side
    697,384.48x = 306,137,780,632.92
  5. Step 5: Solve for x
    x = 306,137,780,632.92/697,384.48
  6. Step 6: Final answer
    x = 438,979.92

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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.