Home / 554,302.80-831,454.20-288,582.30

Finding the Fourth Proportional to 554,302.80, 831,454.20 and 288,582.30

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Solution

The fourth proportional to 554,302.80, 831,454.20 and 288,582.30 is: 432,873.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,302.80 : 831,454.20 = 288,582.30 : x
  2. Step 2: Convert to fraction form
    554,302.80/831,454.20 = 288,582.30/x
  3. Step 3: Cross multiply
    554,302.80x = 831,454.20 × 288,582.30
  4. Step 4: Simplify right side
    554,302.80x = 239,942,965,380.66
  5. Step 5: Solve for x
    x = 239,942,965,380.66/554,302.80
  6. Step 6: Final answer
    x = 432,873.45

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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.