Home / 895,329.60-1,235,567.37-487,443.78

Finding the Fourth Proportional to 895,329.60, 1,235,567.37 and 487,443.78

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Solution

The fourth proportional to 895,329.60, 1,235,567.37 and 487,443.78 is: 672,679.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    895,329.60 : 1,235,567.37 = 487,443.78 : x
  2. Step 2: Convert to fraction form
    895,329.60/1,235,567.37 = 487,443.78/x
  3. Step 3: Cross multiply
    895,329.60x = 1,235,567.37 × 487,443.78
  4. Step 4: Simplify right side
    895,329.60x = 602,269,629,277.46
  5. Step 5: Solve for x
    x = 602,269,629,277.46/895,329.60
  6. Step 6: Final answer
    x = 672,679.23

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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.