Home / 862,448.60-1,292,242.72-524,466.88

Finding the Fourth Proportional to 862,448.60, 1,292,242.72 and 524,466.88

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Solution

The fourth proportional to 862,448.60, 1,292,242.72 and 524,466.88 is: 785,830.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,448.60 : 1,292,242.72 = 524,466.88 : x
  2. Step 2: Convert to fraction form
    862,448.60/1,292,242.72 = 524,466.88/x
  3. Step 3: Cross multiply
    862,448.60x = 1,292,242.72 × 524,466.88
  4. Step 4: Simplify right side
    862,448.60x = 677,738,507,561.11
  5. Step 5: Solve for x
    x = 677,738,507,561.11/862,448.60
  6. Step 6: Final answer
    x = 785,830.61

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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.