Home / 983,922.30-1,475,883.45-647,999.10

Finding the Fourth Proportional to 983,922.30, 1,475,883.45 and 647,999.10

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Solution

The fourth proportional to 983,922.30, 1,475,883.45 and 647,999.10 is: 971,998.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    983,922.30 : 1,475,883.45 = 647,999.10 : x
  2. Step 2: Convert to fraction form
    983,922.30/1,475,883.45 = 647,999.10/x
  3. Step 3: Cross multiply
    983,922.30x = 1,475,883.45 × 647,999.10
  4. Step 4: Simplify right side
    983,922.30x = 956,371,147,304.90
  5. Step 5: Solve for x
    x = 956,371,147,304.90/983,922.30
  6. Step 6: Final answer
    x = 971,998.65

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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.