Home / 432,942.30-649,413.45-283,643.10

Finding the Fourth Proportional to 432,942.30, 649,413.45 and 283,643.10

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Solution

The fourth proportional to 432,942.30, 649,413.45 and 283,643.10 is: 425,464.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,942.30 : 649,413.45 = 283,643.10 : x
  2. Step 2: Convert to fraction form
    432,942.30/649,413.45 = 283,643.10/x
  3. Step 3: Cross multiply
    432,942.30x = 649,413.45 × 283,643.10
  4. Step 4: Simplify right side
    432,942.30x = 184,201,644,139.70
  5. Step 5: Solve for x
    x = 184,201,644,139.70/432,942.30
  6. Step 6: Final answer
    x = 425,464.65

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Similar ratio
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1.5x scale

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.