Home / 816,575.60-1,224,280.20-366,928.40

Finding the Fourth Proportional to 816,575.60, 1,224,280.20 and 366,928.40

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Solution

The fourth proportional to 816,575.60, 1,224,280.20 and 366,928.40 is: 550,130.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,575.60 : 1,224,280.20 = 366,928.40 : x
  2. Step 2: Convert to fraction form
    816,575.60/1,224,280.20 = 366,928.40/x
  3. Step 3: Cross multiply
    816,575.60x = 1,224,280.20 × 366,928.40
  4. Step 4: Simplify right side
    816,575.60x = 449,223,174,937.68
  5. Step 5: Solve for x
    x = 449,223,174,937.68/816,575.60
  6. Step 6: Final answer
    x = 550,130.54

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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.