Home / 841,106.79-1,261,348.53-301,278.94

Finding the Fourth Proportional to 841,106.79, 1,261,348.53 and 301,278.94

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Solution

The fourth proportional to 841,106.79, 1,261,348.53 and 301,278.94 is: 451,806.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,106.79 : 1,261,348.53 = 301,278.94 : x
  2. Step 2: Convert to fraction form
    841,106.79/1,261,348.53 = 301,278.94/x
  3. Step 3: Cross multiply
    841,106.79x = 1,261,348.53 × 301,278.94
  4. Step 4: Simplify right side
    841,106.79x = 380,017,748,088.96
  5. Step 5: Solve for x
    x = 380,017,748,088.96/841,106.79
  6. Step 6: Final answer
    x = 451,806.78

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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.