Home / 759,566.42-1,047,367-487,531.56

Finding the Fourth Proportional to 759,566.42, 1,047,367 and 487,531.56

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Solution

The fourth proportional to 759,566.42, 1,047,367 and 487,531.56 is: 672,257.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    759,566.42 : 1,047,367 = 487,531.56 : x
  2. Step 2: Convert to fraction form
    759,566.42/1,047,367 = 487,531.56/x
  3. Step 3: Cross multiply
    759,566.42x = 1,047,367 × 487,531.56
  4. Step 4: Simplify right side
    759,566.42x = 510,624,467,402.52
  5. Step 5: Solve for x
    x = 510,624,467,402.52/759,566.42
  6. Step 6: Final answer
    x = 672,257.82

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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.