Home / 816,572.47-1,224,779.52-247,958.50

Finding the Fourth Proportional to 816,572.47, 1,224,779.52 and 247,958.50

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Solution

The fourth proportional to 816,572.47, 1,224,779.52 and 247,958.50 is: 371,913.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,572.47 : 1,224,779.52 = 247,958.50 : x
  2. Step 2: Convert to fraction form
    816,572.47/1,224,779.52 = 247,958.50/x
  3. Step 3: Cross multiply
    816,572.47x = 1,224,779.52 × 247,958.50
  4. Step 4: Simplify right side
    816,572.47x = 303,694,492,609.92
  5. Step 5: Solve for x
    x = 303,694,492,609.92/816,572.47
  6. Step 6: Final answer
    x = 371,913.70

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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.