Home / 898,980.90-1,240,631.36-517,008

Finding the Fourth Proportional to 898,980.90, 1,240,631.36 and 517,008

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Solution

The fourth proportional to 898,980.90, 1,240,631.36 and 517,008 is: 713,492.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,980.90 : 1,240,631.36 = 517,008 : x
  2. Step 2: Convert to fraction form
    898,980.90/1,240,631.36 = 517,008/x
  3. Step 3: Cross multiply
    898,980.90x = 1,240,631.36 × 517,008
  4. Step 4: Simplify right side
    898,980.90x = 641,416,338,170.88
  5. Step 5: Solve for x
    x = 641,416,338,170.88/898,980.90
  6. Step 6: Final answer
    x = 713,492.73

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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.