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Finding the Fourth Proportional to 647,070.30, 970,605.45 and 602,783.55

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Solution

The fourth proportional to 647,070.30, 970,605.45 and 602,783.55 is: 904,175.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,070.30 : 970,605.45 = 602,783.55 : x
  2. Step 2: Convert to fraction form
    647,070.30/970,605.45 = 602,783.55/x
  3. Step 3: Cross multiply
    647,070.30x = 970,605.45 × 602,783.55
  4. Step 4: Simplify right side
    647,070.30x = 585,064,998,800.35
  5. Step 5: Solve for x
    x = 585,064,998,800.35/647,070.30
  6. Step 6: Final answer
    x = 904,175.33

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Similar ratio
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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.