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Finding the Fourth Proportional to 610,293.93, 841,965.35 and 380,717.25

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Solution

The fourth proportional to 610,293.93, 841,965.35 and 380,717.25 is: 525,239.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,293.93 : 841,965.35 = 380,717.25 : x
  2. Step 2: Convert to fraction form
    610,293.93/841,965.35 = 380,717.25/x
  3. Step 3: Cross multiply
    610,293.93x = 841,965.35 × 380,717.25
  4. Step 4: Simplify right side
    610,293.93x = 320,550,730,743.70
  5. Step 5: Solve for x
    x = 320,550,730,743.70/610,293.93
  6. Step 6: Final answer
    x = 525,239.91

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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.