Home / 835,413.28-1,152,839.45-453,431.86

Finding the Fourth Proportional to 835,413.28, 1,152,839.45 and 453,431.86

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Solution

The fourth proportional to 835,413.28, 1,152,839.45 and 453,431.86 is: 625,719.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    835,413.28 : 1,152,839.45 = 453,431.86 : x
  2. Step 2: Convert to fraction form
    835,413.28/1,152,839.45 = 453,431.86/x
  3. Step 3: Cross multiply
    835,413.28x = 1,152,839.45 × 453,431.86
  4. Step 4: Simplify right side
    835,413.28x = 522,734,134,346.36
  5. Step 5: Solve for x
    x = 522,734,134,346.36/835,413.28
  6. Step 6: Final answer
    x = 625,719.21

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1.5x scale

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.