Home / 890,723.61-1,335,980.16-251,075.32

Finding the Fourth Proportional to 890,723.61, 1,335,980.16 and 251,075.32

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Solution

The fourth proportional to 890,723.61, 1,335,980.16 and 251,075.32 is: 376,583.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,723.61 : 1,335,980.16 = 251,075.32 : x
  2. Step 2: Convert to fraction form
    890,723.61/1,335,980.16 = 251,075.32/x
  3. Step 3: Cross multiply
    890,723.61x = 1,335,980.16 × 251,075.32
  4. Step 4: Simplify right side
    890,723.61x = 335,431,642,845.70
  5. Step 5: Solve for x
    x = 335,431,642,845.70/890,723.61
  6. Step 6: Final answer
    x = 376,583.31

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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.