Home / 893,290.68-1,232,748.93-485,392.53

Finding the Fourth Proportional to 893,290.68, 1,232,748.93 and 485,392.53

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Solution

The fourth proportional to 893,290.68, 1,232,748.93 and 485,392.53 is: 669,845.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    893,290.68 : 1,232,748.93 = 485,392.53 : x
  2. Step 2: Convert to fraction form
    893,290.68/1,232,748.93 = 485,392.53/x
  3. Step 3: Cross multiply
    893,290.68x = 1,232,748.93 × 485,392.53
  4. Step 4: Simplify right side
    893,290.68x = 598,367,121,987.49
  5. Step 5: Solve for x
    x = 598,367,121,987.49/893,290.68
  6. Step 6: Final answer
    x = 669,845.93

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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.