Home / 535,413.13-738,767.87-306,043.15

Finding the Fourth Proportional to 535,413.13, 738,767.87 and 306,043.15

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Solution

The fourth proportional to 535,413.13, 738,767.87 and 306,043.15 is: 422,281.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,413.13 : 738,767.87 = 306,043.15 : x
  2. Step 2: Convert to fraction form
    535,413.13/738,767.87 = 306,043.15/x
  3. Step 3: Cross multiply
    535,413.13x = 738,767.87 × 306,043.15
  4. Step 4: Simplify right side
    535,413.13x = 226,094,846,053.59
  5. Step 5: Solve for x
    x = 226,094,846,053.59/535,413.13
  6. Step 6: Final answer
    x = 422,281.10

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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.