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Finding the Fourth Proportional to 670,373.48, 925,133.67 and 364,470.46

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Solution

The fourth proportional to 670,373.48, 925,133.67 and 364,470.46 is: 502,979.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,373.48 : 925,133.67 = 364,470.46 : x
  2. Step 2: Convert to fraction form
    670,373.48/925,133.67 = 364,470.46/x
  3. Step 3: Cross multiply
    670,373.48x = 925,133.67 × 364,470.46
  4. Step 4: Simplify right side
    670,373.48x = 337,183,891,953.55
  5. Step 5: Solve for x
    x = 337,183,891,953.55/670,373.48
  6. Step 6: Final answer
    x = 502,979.16

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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.