Home / 869,845.80-1,304,768.70-604,125.30

Finding the Fourth Proportional to 869,845.80, 1,304,768.70 and 604,125.30

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Solution

The fourth proportional to 869,845.80, 1,304,768.70 and 604,125.30 is: 906,187.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,845.80 : 1,304,768.70 = 604,125.30 : x
  2. Step 2: Convert to fraction form
    869,845.80/1,304,768.70 = 604,125.30/x
  3. Step 3: Cross multiply
    869,845.80x = 1,304,768.70 × 604,125.30
  4. Step 4: Simplify right side
    869,845.80x = 788,243,782,318.11
  5. Step 5: Solve for x
    x = 788,243,782,318.11/869,845.80
  6. Step 6: Final answer
    x = 906,187.95

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1.5x scale

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.