Home / 646,017.55-968,312.70-266,729.17

Finding the Fourth Proportional to 646,017.55, 968,312.70 and 266,729.17

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Solution

The fourth proportional to 646,017.55, 968,312.70 and 266,729.17 is: 399,799.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,017.55 : 968,312.70 = 266,729.17 : x
  2. Step 2: Convert to fraction form
    646,017.55/968,312.70 = 266,729.17/x
  3. Step 3: Cross multiply
    646,017.55x = 968,312.70 × 266,729.17
  4. Step 4: Simplify right side
    646,017.55x = 258,277,242,771.46
  5. Step 5: Solve for x
    x = 258,277,242,771.46/646,017.55
  6. Step 6: Final answer
    x = 399,799.11

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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.