Home / 862,048.07-1,189,541.18-480,110.39

Finding the Fourth Proportional to 862,048.07, 1,189,541.18 and 480,110.39

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Solution

The fourth proportional to 862,048.07, 1,189,541.18 and 480,110.39 is: 662,504.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,048.07 : 1,189,541.18 = 480,110.39 : x
  2. Step 2: Convert to fraction form
    862,048.07/1,189,541.18 = 480,110.39/x
  3. Step 3: Cross multiply
    862,048.07x = 1,189,541.18 × 480,110.39
  4. Step 4: Simplify right side
    862,048.07x = 571,111,079,850.86
  5. Step 5: Solve for x
    x = 571,111,079,850.86/862,048.07
  6. Step 6: Final answer
    x = 662,504.91

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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.