Home / 739,929.60-1,109,894.40-266,954.40

Finding the Fourth Proportional to 739,929.60, 1,109,894.40 and 266,954.40

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Solution

The fourth proportional to 739,929.60, 1,109,894.40 and 266,954.40 is: 400,431.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,929.60 : 1,109,894.40 = 266,954.40 : x
  2. Step 2: Convert to fraction form
    739,929.60/1,109,894.40 = 266,954.40/x
  3. Step 3: Cross multiply
    739,929.60x = 1,109,894.40 × 266,954.40
  4. Step 4: Simplify right side
    739,929.60x = 296,291,193,615.36
  5. Step 5: Solve for x
    x = 296,291,193,615.36/739,929.60
  6. Step 6: Final answer
    x = 400,431.60

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1.5x scale

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.