Home / 893,642.10-1,233,223.83-485,743.92

Finding the Fourth Proportional to 893,642.10, 1,233,223.83 and 485,743.92

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Solution

The fourth proportional to 893,642.10, 1,233,223.83 and 485,743.92 is: 670,325.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    893,642.10 : 1,233,223.83 = 485,743.92 : x
  2. Step 2: Convert to fraction form
    893,642.10/1,233,223.83 = 485,743.92/x
  3. Step 3: Cross multiply
    893,642.10x = 1,233,223.83 × 485,743.92
  4. Step 4: Simplify right side
    893,642.10x = 599,030,977,421.61
  5. Step 5: Solve for x
    x = 599,030,977,421.61/893,642.10
  6. Step 6: Final answer
    x = 670,325.38

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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.