Home / 824,091.24-1,137,149.92-480,002.72

Finding the Fourth Proportional to 824,091.24, 1,137,149.92 and 480,002.72

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Solution

The fourth proportional to 824,091.24, 1,137,149.92 and 480,002.72 is: 662,347.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    824,091.24 : 1,137,149.92 = 480,002.72 : x
  2. Step 2: Convert to fraction form
    824,091.24/1,137,149.92 = 480,002.72/x
  3. Step 3: Cross multiply
    824,091.24x = 1,137,149.92 × 480,002.72
  4. Step 4: Simplify right side
    824,091.24x = 545,835,054,647.78
  5. Step 5: Solve for x
    x = 545,835,054,647.78/824,091.24
  6. Step 6: Final answer
    x = 662,347.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.