Home / 841,073.84-1,261,549.76-328,642.66

Finding the Fourth Proportional to 841,073.84, 1,261,549.76 and 328,642.66

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Solution

The fourth proportional to 841,073.84, 1,261,549.76 and 328,642.66 is: 492,940.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,073.84 : 1,261,549.76 = 328,642.66 : x
  2. Step 2: Convert to fraction form
    841,073.84/1,261,549.76 = 328,642.66/x
  3. Step 3: Cross multiply
    841,073.84x = 1,261,549.76 × 328,642.66
  4. Step 4: Simplify right side
    841,073.84x = 414,599,066,516.49
  5. Step 5: Solve for x
    x = 414,599,066,516.49/841,073.84
  6. Step 6: Final answer
    x = 492,940.15

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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.