Home / 658,729.26-909,056.70-386,803.17

Finding the Fourth Proportional to 658,729.26, 909,056.70 and 386,803.17

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Solution

The fourth proportional to 658,729.26, 909,056.70 and 386,803.17 is: 533,794.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,729.26 : 909,056.70 = 386,803.17 : x
  2. Step 2: Convert to fraction form
    658,729.26/909,056.70 = 386,803.17/x
  3. Step 3: Cross multiply
    658,729.26x = 909,056.70 × 386,803.17
  4. Step 4: Simplify right side
    658,729.26x = 351,626,013,269.74
  5. Step 5: Solve for x
    x = 351,626,013,269.74/658,729.26
  6. Step 6: Final answer
    x = 533,794.44

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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.