Home / 833,323.60-1,149,981.20-470,864.80

Finding the Fourth Proportional to 833,323.60, 1,149,981.20 and 470,864.80

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Solution

The fourth proportional to 833,323.60, 1,149,981.20 and 470,864.80 is: 649,790.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    833,323.60 : 1,149,981.20 = 470,864.80 : x
  2. Step 2: Convert to fraction form
    833,323.60/1,149,981.20 = 470,864.80/x
  3. Step 3: Cross multiply
    833,323.60x = 1,149,981.20 × 470,864.80
  4. Step 4: Simplify right side
    833,323.60x = 541,485,667,741.76
  5. Step 5: Solve for x
    x = 541,485,667,741.76/833,323.60
  6. Step 6: Final answer
    x = 649,790.39

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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.