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Finding the Fourth Proportional to 623,903.27, 860,987.07 and 337,423.34

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Solution

The fourth proportional to 623,903.27, 860,987.07 and 337,423.34 is: 465,644.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,903.27 : 860,987.07 = 337,423.34 : x
  2. Step 2: Convert to fraction form
    623,903.27/860,987.07 = 337,423.34/x
  3. Step 3: Cross multiply
    623,903.27x = 860,987.07 × 337,423.34
  4. Step 4: Simplify right side
    623,903.27x = 290,517,128,551.28
  5. Step 5: Solve for x
    x = 290,517,128,551.28/623,903.27
  6. Step 6: Final answer
    x = 465,644.51

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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.