Home / 558,413.60-836,632.20-539,913.20

Finding the Fourth Proportional to 558,413.60, 836,632.20 and 539,913.20

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Solution

The fourth proportional to 558,413.60, 836,632.20 and 539,913.20 is: 808,914.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,413.60 : 836,632.20 = 539,913.20 : x
  2. Step 2: Convert to fraction form
    558,413.60/836,632.20 = 539,913.20/x
  3. Step 3: Cross multiply
    558,413.60x = 836,632.20 × 539,913.20
  4. Step 4: Simplify right side
    558,413.60x = 451,708,768,325.04
  5. Step 5: Solve for x
    x = 451,708,768,325.04/558,413.60
  6. Step 6: Final answer
    x = 808,914.34

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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.