Home / 983,828.10-1,472,406.24-604,986.84

Finding the Fourth Proportional to 983,828.10, 1,472,406.24 and 604,986.84

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Solution

The fourth proportional to 983,828.10, 1,472,406.24 and 604,986.84 is: 905,428.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    983,828.10 : 1,472,406.24 = 604,986.84 : x
  2. Step 2: Convert to fraction form
    983,828.10/1,472,406.24 = 604,986.84/x
  3. Step 3: Cross multiply
    983,828.10x = 1,472,406.24 × 604,986.84
  4. Step 4: Simplify right side
    983,828.10x = 890,786,398,333.88
  5. Step 5: Solve for x
    x = 890,786,398,333.88/983,828.10
  6. Step 6: Final answer
    x = 905,428.90

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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.