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Finding the Fourth Proportional to 662,237.40, 913,860.60 and 375,751.32

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Solution

The fourth proportional to 662,237.40, 913,860.60 and 375,751.32 is: 518,521.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,237.40 : 913,860.60 = 375,751.32 : x
  2. Step 2: Convert to fraction form
    662,237.40/913,860.60 = 375,751.32/x
  3. Step 3: Cross multiply
    662,237.40x = 913,860.60 × 375,751.32
  4. Step 4: Simplify right side
    662,237.40x = 343,384,326,745.99
  5. Step 5: Solve for x
    x = 343,384,326,745.99/662,237.40
  6. Step 6: Final answer
    x = 518,521.50

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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.