Home / 807,234.64-1,113,989.48-463,085.58

Finding the Fourth Proportional to 807,234.64, 1,113,989.48 and 463,085.58

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Solution

The fourth proportional to 807,234.64, 1,113,989.48 and 463,085.58 is: 639,061.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,234.64 : 1,113,989.48 = 463,085.58 : x
  2. Step 2: Convert to fraction form
    807,234.64/1,113,989.48 = 463,085.58/x
  3. Step 3: Cross multiply
    807,234.64x = 1,113,989.48 × 463,085.58
  4. Step 4: Simplify right side
    807,234.64x = 515,872,464,459.70
  5. Step 5: Solve for x
    x = 515,872,464,459.70/807,234.64
  6. Step 6: Final answer
    x = 639,061.36

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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.