Home / 687,903.90-1,032,001.65-208,092.30

Finding the Fourth Proportional to 687,903.90, 1,032,001.65 and 208,092.30

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Solution

The fourth proportional to 687,903.90, 1,032,001.65 and 208,092.30 is: 312,182.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    687,903.90 : 1,032,001.65 = 208,092.30 : x
  2. Step 2: Convert to fraction form
    687,903.90/1,032,001.65 = 208,092.30/x
  3. Step 3: Cross multiply
    687,903.90x = 1,032,001.65 × 208,092.30
  4. Step 4: Simplify right side
    687,903.90x = 214,751,596,952.30
  5. Step 5: Solve for x
    x = 214,751,596,952.30/687,903.90
  6. Step 6: Final answer
    x = 312,182.55

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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.