Home / 771,078.50-1,155,931.13-366,020.82

Finding the Fourth Proportional to 771,078.50, 1,155,931.13 and 366,020.82

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Solution

The fourth proportional to 771,078.50, 1,155,931.13 and 366,020.82 is: 548,705.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,078.50 : 1,155,931.13 = 366,020.82 : x
  2. Step 2: Convert to fraction form
    771,078.50/1,155,931.13 = 366,020.82/x
  3. Step 3: Cross multiply
    771,078.50x = 1,155,931.13 × 366,020.82
  4. Step 4: Simplify right side
    771,078.50x = 423,094,858,236.02
  5. Step 5: Solve for x
    x = 423,094,858,236.02/771,078.50
  6. Step 6: Final answer
    x = 548,705.30

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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.