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Finding the Fourth Proportional to 633,542.02, 874,281.02 and 343,146.36

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Solution

The fourth proportional to 633,542.02, 874,281.02 and 343,146.36 is: 473,538.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,542.02 : 874,281.02 = 343,146.36 : x
  2. Step 2: Convert to fraction form
    633,542.02/874,281.02 = 343,146.36/x
  3. Step 3: Cross multiply
    633,542.02x = 874,281.02 × 343,146.36
  4. Step 4: Simplify right side
    633,542.02x = 300,006,349,630.09
  5. Step 5: Solve for x
    x = 300,006,349,630.09/633,542.02
  6. Step 6: Final answer
    x = 473,538.20

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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.