Home / 883,300.74-1,218,992.40-501,363.06

Finding the Fourth Proportional to 883,300.74, 1,218,992.40 and 501,363.06

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Solution

The fourth proportional to 883,300.74, 1,218,992.40 and 501,363.06 is: 691,902.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    883,300.74 : 1,218,992.40 = 501,363.06 : x
  2. Step 2: Convert to fraction form
    883,300.74/1,218,992.40 = 501,363.06/x
  3. Step 3: Cross multiply
    883,300.74x = 1,218,992.40 × 501,363.06
  4. Step 4: Simplify right side
    883,300.74x = 611,157,759,780.74
  5. Step 5: Solve for x
    x = 611,157,759,780.74/883,300.74
  6. Step 6: Final answer
    x = 691,902.24

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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.