Home / 739,762.32-1,108,662.50-379,918.66

Finding the Fourth Proportional to 739,762.32, 1,108,662.50 and 379,918.66

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Solution

The fourth proportional to 739,762.32, 1,108,662.50 and 379,918.66 is: 569,374.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,762.32 : 1,108,662.50 = 379,918.66 : x
  2. Step 2: Convert to fraction form
    739,762.32/1,108,662.50 = 379,918.66/x
  3. Step 3: Cross multiply
    739,762.32x = 1,108,662.50 × 379,918.66
  4. Step 4: Simplify right side
    739,762.32x = 421,201,571,392.25
  5. Step 5: Solve for x
    x = 421,201,571,392.25/739,762.32
  6. Step 6: Final answer
    x = 569,374.19

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1.5x scale

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.