Home / 893,405.76-1,232,911.96-485,515.68

Finding the Fourth Proportional to 893,405.76, 1,232,911.96 and 485,515.68

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Solution

The fourth proportional to 893,405.76, 1,232,911.96 and 485,515.68 is: 670,018.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    893,405.76 : 1,232,911.96 = 485,515.68 : x
  2. Step 2: Convert to fraction form
    893,405.76/1,232,911.96 = 485,515.68/x
  3. Step 3: Cross multiply
    893,405.76x = 1,232,911.96 × 485,515.68
  4. Step 4: Simplify right side
    893,405.76x = 598,598,087,425.74
  5. Step 5: Solve for x
    x = 598,598,087,425.74/893,405.76
  6. Step 6: Final answer
    x = 670,018.16

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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.