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Finding the Fourth Proportional to 660,425.43, 911,483.37 and 370,056.63

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Solution

The fourth proportional to 660,425.43, 911,483.37 and 370,056.63 is: 510,732.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    660,425.43 : 911,483.37 = 370,056.63 : x
  2. Step 2: Convert to fraction form
    660,425.43/911,483.37 = 370,056.63/x
  3. Step 3: Cross multiply
    660,425.43x = 911,483.37 × 370,056.63
  4. Step 4: Simplify right side
    660,425.43x = 337,300,464,203.24
  5. Step 5: Solve for x
    x = 337,300,464,203.24/660,425.43
  6. Step 6: Final answer
    x = 510,732.10

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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.