Home / 999,456.40-1,498,666.20-368,045.20

Finding the Fourth Proportional to 999,456.40, 1,498,666.20 and 368,045.20

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Solution

The fourth proportional to 999,456.40, 1,498,666.20 and 368,045.20 is: 551,876.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,456.40 : 1,498,666.20 = 368,045.20 : x
  2. Step 2: Convert to fraction form
    999,456.40/1,498,666.20 = 368,045.20/x
  3. Step 3: Cross multiply
    999,456.40x = 1,498,666.20 × 368,045.20
  4. Step 4: Simplify right side
    999,456.40x = 551,576,901,312.24
  5. Step 5: Solve for x
    x = 551,576,901,312.24/999,456.40
  6. Step 6: Final answer
    x = 551,876.90

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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.