Home / 983,782.12-1,472,340.15-604,942.81

Finding the Fourth Proportional to 983,782.12, 1,472,340.15 and 604,942.81

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Solution

The fourth proportional to 983,782.12, 1,472,340.15 and 604,942.81 is: 905,364.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    983,782.12 : 1,472,340.15 = 604,942.81 : x
  2. Step 2: Convert to fraction form
    983,782.12/1,472,340.15 = 604,942.81/x
  3. Step 3: Cross multiply
    983,782.12x = 1,472,340.15 × 604,942.81
  4. Step 4: Simplify right side
    983,782.12x = 890,681,587,616.82
  5. Step 5: Solve for x
    x = 890,681,587,616.82/983,782.12
  6. Step 6: Final answer
    x = 905,364.68

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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.