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Finding the Fourth Proportional to 702,259.10, 969,013.64 and 426,473.54

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Solution

The fourth proportional to 702,259.10, 969,013.64 and 426,473.54 is: 588,470.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,259.10 : 969,013.64 = 426,473.54 : x
  2. Step 2: Convert to fraction form
    702,259.10/969,013.64 = 426,473.54/x
  3. Step 3: Cross multiply
    702,259.10x = 969,013.64 × 426,473.54
  4. Step 4: Simplify right side
    702,259.10x = 413,258,670,381.65
  5. Step 5: Solve for x
    x = 413,258,670,381.65/702,259.10
  6. Step 6: Final answer
    x = 588,470.37

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1.5x scale

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.