Home / 869,705.40-1,304,558.10-604,284.60

Finding the Fourth Proportional to 869,705.40, 1,304,558.10 and 604,284.60

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Solution

The fourth proportional to 869,705.40, 1,304,558.10 and 604,284.60 is: 906,426.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,705.40 : 1,304,558.10 = 604,284.60 : x
  2. Step 2: Convert to fraction form
    869,705.40/1,304,558.10 = 604,284.60/x
  3. Step 3: Cross multiply
    869,705.40x = 1,304,558.10 × 604,284.60
  4. Step 4: Simplify right side
    869,705.40x = 788,324,369,635.26
  5. Step 5: Solve for x
    x = 788,324,369,635.26/869,705.40
  6. Step 6: Final answer
    x = 906,426.90

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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.