Home / 680,667.15-1,021,000.73-491,710.35

Finding the Fourth Proportional to 680,667.15, 1,021,000.73 and 491,710.35

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Solution

The fourth proportional to 680,667.15, 1,021,000.73 and 491,710.35 is: 737,565.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,667.15 : 1,021,000.73 = 491,710.35 : x
  2. Step 2: Convert to fraction form
    680,667.15/1,021,000.73 = 491,710.35/x
  3. Step 3: Cross multiply
    680,667.15x = 1,021,000.73 × 491,710.35
  4. Step 4: Simplify right side
    680,667.15x = 502,036,623,840.00
  5. Step 5: Solve for x
    x = 502,036,623,840.00/680,667.15
  6. Step 6: Final answer
    x = 737,565.53

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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.