Home / 769,587.18-1,154,629.74-370,175.77

Finding the Fourth Proportional to 769,587.18, 1,154,629.74 and 370,175.77

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Solution

The fourth proportional to 769,587.18, 1,154,629.74 and 370,175.77 is: 555,383.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,587.18 : 1,154,629.74 = 370,175.77 : x
  2. Step 2: Convert to fraction form
    769,587.18/1,154,629.74 = 370,175.77/x
  3. Step 3: Cross multiply
    769,587.18x = 1,154,629.74 × 370,175.77
  4. Step 4: Simplify right side
    769,587.18x = 427,415,953,818.61
  5. Step 5: Solve for x
    x = 427,415,953,818.61/769,587.18
  6. Step 6: Final answer
    x = 555,383.41

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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.