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Finding the Fourth Proportional to 567,129.60, 849,644.80 and 330,585.60

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Solution

The fourth proportional to 567,129.60, 849,644.80 and 330,585.60 is: 495,266.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,129.60 : 849,644.80 = 330,585.60 : x
  2. Step 2: Convert to fraction form
    567,129.60/849,644.80 = 330,585.60/x
  3. Step 3: Cross multiply
    567,129.60x = 849,644.80 × 330,585.60
  4. Step 4: Simplify right side
    567,129.60x = 280,880,335,994.88
  5. Step 5: Solve for x
    x = 280,880,335,994.88/567,129.60
  6. Step 6: Final answer
    x = 495,266.58

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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.