Home / 554,521.04-765,435.12-328,166

Finding the Fourth Proportional to 554,521.04, 765,435.12 and 328,166

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Solution

The fourth proportional to 554,521.04, 765,435.12 and 328,166 is: 452,985.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,521.04 : 765,435.12 = 328,166 : x
  2. Step 2: Convert to fraction form
    554,521.04/765,435.12 = 328,166/x
  3. Step 3: Cross multiply
    554,521.04x = 765,435.12 × 328,166
  4. Step 4: Simplify right side
    554,521.04x = 251,189,781,589.92
  5. Step 5: Solve for x
    x = 251,189,781,589.92/554,521.04
  6. Step 6: Final answer
    x = 452,985.12

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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.