Home / 554,416.02-765,089.65-321,864.54

Finding the Fourth Proportional to 554,416.02, 765,089.65 and 321,864.54

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Solution

The fourth proportional to 554,416.02, 765,089.65 and 321,864.54 is: 444,170.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,416.02 : 765,089.65 = 321,864.54 : x
  2. Step 2: Convert to fraction form
    554,416.02/765,089.65 = 321,864.54/x
  3. Step 3: Cross multiply
    554,416.02x = 765,089.65 × 321,864.54
  4. Step 4: Simplify right side
    554,416.02x = 246,255,227,147.95
  5. Step 5: Solve for x
    x = 246,255,227,147.95/554,416.02
  6. Step 6: Final answer
    x = 444,170.47

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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.