Home / 507,619.90-761,211.15-254,802.70

Finding the Fourth Proportional to 507,619.90, 761,211.15 and 254,802.70

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Solution

The fourth proportional to 507,619.90, 761,211.15 and 254,802.70 is: 382,094.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,619.90 : 761,211.15 = 254,802.70 : x
  2. Step 2: Convert to fraction form
    507,619.90/761,211.15 = 254,802.70/x
  3. Step 3: Cross multiply
    507,619.90x = 761,211.15 × 254,802.70
  4. Step 4: Simplify right side
    507,619.90x = 193,958,656,290.11
  5. Step 5: Solve for x
    x = 193,958,656,290.11/507,619.90
  6. Step 6: Final answer
    x = 382,094.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.