Home / 761,964.64-1,143,009.09-382,690.24

Finding the Fourth Proportional to 761,964.64, 1,143,009.09 and 382,690.24

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Solution

The fourth proportional to 761,964.64, 1,143,009.09 and 382,690.24 is: 574,066.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,964.64 : 1,143,009.09 = 382,690.24 : x
  2. Step 2: Convert to fraction form
    761,964.64/1,143,009.09 = 382,690.24/x
  3. Step 3: Cross multiply
    761,964.64x = 1,143,009.09 × 382,690.24
  4. Step 4: Simplify right side
    761,964.64x = 437,418,420,116.76
  5. Step 5: Solve for x
    x = 437,418,420,116.76/761,964.64
  6. Step 6: Final answer
    x = 574,066.56

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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.