Home / 816,289.07-1,224,522.90-276,934.77

Finding the Fourth Proportional to 816,289.07, 1,224,522.90 and 276,934.77

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Solution

The fourth proportional to 816,289.07, 1,224,522.90 and 276,934.77 is: 415,432.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,289.07 : 1,224,522.90 = 276,934.77 : x
  2. Step 2: Convert to fraction form
    816,289.07/1,224,522.90 = 276,934.77/x
  3. Step 3: Cross multiply
    816,289.07x = 1,224,522.90 × 276,934.77
  4. Step 4: Simplify right side
    816,289.07x = 339,112,967,671.23
  5. Step 5: Solve for x
    x = 339,112,967,671.23/816,289.07
  6. Step 6: Final answer
    x = 415,432.45

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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.