Home / 702,154.79-968,968.14-379,863.89

Finding the Fourth Proportional to 702,154.79, 968,968.14 and 379,863.89

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Solution

The fourth proportional to 702,154.79, 968,968.14 and 379,863.89 is: 524,209.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,154.79 : 968,968.14 = 379,863.89 : x
  2. Step 2: Convert to fraction form
    702,154.79/968,968.14 = 379,863.89/x
  3. Step 3: Cross multiply
    702,154.79x = 968,968.14 × 379,863.89
  4. Step 4: Simplify right side
    702,154.79x = 368,076,006,946.47
  5. Step 5: Solve for x
    x = 368,076,006,946.47/702,154.79
  6. Step 6: Final answer
    x = 524,209.21

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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.