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Finding the Fourth Proportional to 632,900.13, 873,395.36 and 342,505.27

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Solution

The fourth proportional to 632,900.13, 873,395.36 and 342,505.27 is: 472,653.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,900.13 : 873,395.36 = 342,505.27 : x
  2. Step 2: Convert to fraction form
    632,900.13/873,395.36 = 342,505.27/x
  3. Step 3: Cross multiply
    632,900.13x = 873,395.36 × 342,505.27
  4. Step 4: Simplify right side
    632,900.13x = 299,142,513,593.55
  5. Step 5: Solve for x
    x = 299,142,513,593.55/632,900.13
  6. Step 6: Final answer
    x = 472,653.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.