Home / 762,932.88-1,053,038.52-440,830.08

Finding the Fourth Proportional to 762,932.88, 1,053,038.52 and 440,830.08

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Solution

The fourth proportional to 762,932.88, 1,053,038.52 and 440,830.08 is: 608,455.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,932.88 : 1,053,038.52 = 440,830.08 : x
  2. Step 2: Convert to fraction form
    762,932.88/1,053,038.52 = 440,830.08/x
  3. Step 3: Cross multiply
    762,932.88x = 1,053,038.52 × 440,830.08
  4. Step 4: Simplify right side
    762,932.88x = 464,211,055,014.68
  5. Step 5: Solve for x
    x = 464,211,055,014.68/762,932.88
  6. Step 6: Final answer
    x = 608,455.96

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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.