Home / 535,242.10-738,566.04-305,814.25

Finding the Fourth Proportional to 535,242.10, 738,566.04 and 305,814.25

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Solution

The fourth proportional to 535,242.10, 738,566.04 and 305,814.25 is: 421,984.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,242.10 : 738,566.04 = 305,814.25 : x
  2. Step 2: Convert to fraction form
    535,242.10/738,566.04 = 305,814.25/x
  3. Step 3: Cross multiply
    535,242.10x = 738,566.04 × 305,814.25
  4. Step 4: Simplify right side
    535,242.10x = 225,864,019,598.07
  5. Step 5: Solve for x
    x = 225,864,019,598.07/535,242.10
  6. Step 6: Final answer
    x = 421,984.78

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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.