Home / 790,413.08-1,185,808.23-257,935.07

Finding the Fourth Proportional to 790,413.08, 1,185,808.23 and 257,935.07

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Solution

The fourth proportional to 790,413.08, 1,185,808.23 and 257,935.07 is: 386,964.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,413.08 : 1,185,808.23 = 257,935.07 : x
  2. Step 2: Convert to fraction form
    790,413.08/1,185,808.23 = 257,935.07/x
  3. Step 3: Cross multiply
    790,413.08x = 1,185,808.23 × 257,935.07
  4. Step 4: Simplify right side
    790,413.08x = 305,861,522,882.59
  5. Step 5: Solve for x
    x = 305,861,522,882.59/790,413.08
  6. Step 6: Final answer
    x = 386,964.15

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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.