Home / 810,114.48-1,117,959.84-447,530.40

Finding the Fourth Proportional to 810,114.48, 1,117,959.84 and 447,530.40

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Solution

The fourth proportional to 810,114.48, 1,117,959.84 and 447,530.40 is: 617,592.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,114.48 : 1,117,959.84 = 447,530.40 : x
  2. Step 2: Convert to fraction form
    810,114.48/1,117,959.84 = 447,530.40/x
  3. Step 3: Cross multiply
    810,114.48x = 1,117,959.84 × 447,530.40
  4. Step 4: Simplify right side
    810,114.48x = 500,321,014,379.14
  5. Step 5: Solve for x
    x = 500,321,014,379.14/810,114.48
  6. Step 6: Final answer
    x = 617,592.98

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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.