Home / 910,835.32-1,366,413.54-311,655.64

Finding the Fourth Proportional to 910,835.32, 1,366,413.54 and 311,655.64

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Solution

The fourth proportional to 910,835.32, 1,366,413.54 and 311,655.64 is: 467,538.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,835.32 : 1,366,413.54 = 311,655.64 : x
  2. Step 2: Convert to fraction form
    910,835.32/1,366,413.54 = 311,655.64/x
  3. Step 3: Cross multiply
    910,835.32x = 1,366,413.54 × 311,655.64
  4. Step 4: Simplify right side
    910,835.32x = 425,850,486,313.37
  5. Step 5: Solve for x
    x = 425,850,486,313.37/910,835.32
  6. Step 6: Final answer
    x = 467,538.40

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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.