Home / 900,805.48-1,243,100.98-492,902.66

Finding the Fourth Proportional to 900,805.48, 1,243,100.98 and 492,902.66

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Solution

The fourth proportional to 900,805.48, 1,243,100.98 and 492,902.66 is: 680,199.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    900,805.48 : 1,243,100.98 = 492,902.66 : x
  2. Step 2: Convert to fraction form
    900,805.48/1,243,100.98 = 492,902.66/x
  3. Step 3: Cross multiply
    900,805.48x = 1,243,100.98 × 492,902.66
  4. Step 4: Simplify right side
    900,805.48x = 612,727,779,690.61
  5. Step 5: Solve for x
    x = 612,727,779,690.61/900,805.48
  6. Step 6: Final answer
    x = 680,199.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.