Home / 869,860.80-1,304,791.20-604,140.30

Finding the Fourth Proportional to 869,860.80, 1,304,791.20 and 604,140.30

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Solution

The fourth proportional to 869,860.80, 1,304,791.20 and 604,140.30 is: 906,210.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,860.80 : 1,304,791.20 = 604,140.30 : x
  2. Step 2: Convert to fraction form
    869,860.80/1,304,791.20 = 604,140.30/x
  3. Step 3: Cross multiply
    869,860.80x = 1,304,791.20 × 604,140.30
  4. Step 4: Simplify right side
    869,860.80x = 788,276,947,005.36
  5. Step 5: Solve for x
    x = 788,276,947,005.36/869,860.80
  6. Step 6: Final answer
    x = 906,210.45

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Similar ratio
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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.