Home / 688,452.48-1,032,647.18-239,208.51

Finding the Fourth Proportional to 688,452.48, 1,032,647.18 and 239,208.51

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Solution

The fourth proportional to 688,452.48, 1,032,647.18 and 239,208.51 is: 358,801.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,452.48 : 1,032,647.18 = 239,208.51 : x
  2. Step 2: Convert to fraction form
    688,452.48/1,032,647.18 = 239,208.51/x
  3. Step 3: Cross multiply
    688,452.48x = 1,032,647.18 × 239,208.51
  4. Step 4: Simplify right side
    688,452.48x = 247,017,995,959.89
  5. Step 5: Solve for x
    x = 247,017,995,959.89/688,452.48
  6. Step 6: Final answer
    x = 358,801.81

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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.