Home / 899,955.26-1,242,014.92-512,889.06

Finding the Fourth Proportional to 899,955.26, 1,242,014.92 and 512,889.06

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Solution

The fourth proportional to 899,955.26, 1,242,014.92 and 512,889.06 is: 707,830.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,955.26 : 1,242,014.92 = 512,889.06 : x
  2. Step 2: Convert to fraction form
    899,955.26/1,242,014.92 = 512,889.06/x
  3. Step 3: Cross multiply
    899,955.26x = 1,242,014.92 × 512,889.06
  4. Step 4: Simplify right side
    899,955.26x = 637,015,868,200.11
  5. Step 5: Solve for x
    x = 637,015,868,200.11/899,955.26
  6. Step 6: Final answer
    x = 707,830.60

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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.