Home / 912,269.80-1,368,010.86-350,911.72

Finding the Fourth Proportional to 912,269.80, 1,368,010.86 and 350,911.72

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Solution

The fourth proportional to 912,269.80, 1,368,010.86 and 350,911.72 is: 526,216.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,269.80 : 1,368,010.86 = 350,911.72 : x
  2. Step 2: Convert to fraction form
    912,269.80/1,368,010.86 = 350,911.72/x
  3. Step 3: Cross multiply
    912,269.80x = 1,368,010.86 × 350,911.72
  4. Step 4: Simplify right side
    912,269.80x = 480,051,043,861.28
  5. Step 5: Solve for x
    x = 480,051,043,861.28/912,269.80
  6. Step 6: Final answer
    x = 526,216.09

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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.