Home / 761,534.84-1,050,924.36-422,008.76

Finding the Fourth Proportional to 761,534.84, 1,050,924.36 and 422,008.76

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Solution

The fourth proportional to 761,534.84, 1,050,924.36 and 422,008.76 is: 582,375.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,534.84 : 1,050,924.36 = 422,008.76 : x
  2. Step 2: Convert to fraction form
    761,534.84/1,050,924.36 = 422,008.76/x
  3. Step 3: Cross multiply
    761,534.84x = 1,050,924.36 × 422,008.76
  4. Step 4: Simplify right side
    761,534.84x = 443,499,286,017.39
  5. Step 5: Solve for x
    x = 443,499,286,017.39/761,534.84
  6. Step 6: Final answer
    x = 582,375.57

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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.