Home / 913,104.30-1,369,656.45-414,468.30

Finding the Fourth Proportional to 913,104.30, 1,369,656.45 and 414,468.30

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Solution

The fourth proportional to 913,104.30, 1,369,656.45 and 414,468.30 is: 621,702.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,104.30 : 1,369,656.45 = 414,468.30 : x
  2. Step 2: Convert to fraction form
    913,104.30/1,369,656.45 = 414,468.30/x
  3. Step 3: Cross multiply
    913,104.30x = 1,369,656.45 × 414,468.30
  4. Step 4: Simplify right side
    913,104.30x = 567,679,180,415.54
  5. Step 5: Solve for x
    x = 567,679,180,415.54/913,104.30
  6. Step 6: Final answer
    x = 621,702.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.