Home / 810,247.04-1,118,110.70-447,663.12

Finding the Fourth Proportional to 810,247.04, 1,118,110.70 and 447,663.12

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Solution

The fourth proportional to 810,247.04, 1,118,110.70 and 447,663.12 is: 617,758.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,247.04 : 1,118,110.70 = 447,663.12 : x
  2. Step 2: Convert to fraction form
    810,247.04/1,118,110.70 = 447,663.12/x
  3. Step 3: Cross multiply
    810,247.04x = 1,118,110.70 × 447,663.12
  4. Step 4: Simplify right side
    810,247.04x = 500,536,924,467.38
  5. Step 5: Solve for x
    x = 500,536,924,467.38/810,247.04
  6. Step 6: Final answer
    x = 617,758.41

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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.