Home / 850,308.17-1,173,426.48-463,125.11

Finding the Fourth Proportional to 850,308.17, 1,173,426.48 and 463,125.11

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Solution

The fourth proportional to 850,308.17, 1,173,426.48 and 463,125.11 is: 639,113.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,308.17 : 1,173,426.48 = 463,125.11 : x
  2. Step 2: Convert to fraction form
    850,308.17/1,173,426.48 = 463,125.11/x
  3. Step 3: Cross multiply
    850,308.17x = 1,173,426.48 × 463,125.11
  4. Step 4: Simplify right side
    850,308.17x = 543,443,265,311.29
  5. Step 5: Solve for x
    x = 543,443,265,311.29/850,308.17
  6. Step 6: Final answer
    x = 639,113.31

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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.