Home / 631,413.20-871,339.23-344,925.92

Finding the Fourth Proportional to 631,413.20, 871,339.23 and 344,925.92

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Solution

The fourth proportional to 631,413.20, 871,339.23 and 344,925.92 is: 475,991.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,413.20 : 871,339.23 = 344,925.92 : x
  2. Step 2: Convert to fraction form
    631,413.20/871,339.23 = 344,925.92/x
  3. Step 3: Cross multiply
    631,413.20x = 871,339.23 × 344,925.92
  4. Step 4: Simplify right side
    631,413.20x = 300,547,485,539.84
  5. Step 5: Solve for x
    x = 300,547,485,539.84/631,413.20
  6. Step 6: Final answer
    x = 475,991.77

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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.