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Finding the Fourth Proportional to 567,077.60, 849,304.20 and 388,618.40

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Solution

The fourth proportional to 567,077.60, 849,304.20 and 388,618.40 is: 582,028.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,077.60 : 849,304.20 = 388,618.40 : x
  2. Step 2: Convert to fraction form
    567,077.60/849,304.20 = 388,618.40/x
  3. Step 3: Cross multiply
    567,077.60x = 849,304.20 × 388,618.40
  4. Step 4: Simplify right side
    567,077.60x = 330,055,239,317.28
  5. Step 5: Solve for x
    x = 330,055,239,317.28/567,077.60
  6. Step 6: Final answer
    x = 582,028.35

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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.