Home / 717,058.88-1,075,337.44-211,485.64

Finding the Fourth Proportional to 717,058.88, 1,075,337.44 and 211,485.64

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Solution

The fourth proportional to 717,058.88, 1,075,337.44 and 211,485.64 is: 317,154.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,058.88 : 1,075,337.44 = 211,485.64 : x
  2. Step 2: Convert to fraction form
    717,058.88/1,075,337.44 = 211,485.64/x
  3. Step 3: Cross multiply
    717,058.88x = 1,075,337.44 × 211,485.64
  4. Step 4: Simplify right side
    717,058.88x = 227,418,426,714.36
  5. Step 5: Solve for x
    x = 227,418,426,714.36/717,058.88
  6. Step 6: Final answer
    x = 317,154.47

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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.