Home / 495,820.55-743,941.28-270,918.26

Finding the Fourth Proportional to 495,820.55, 743,941.28 and 270,918.26

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Solution

The fourth proportional to 495,820.55, 743,941.28 and 270,918.26 is: 406,492.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,820.55 : 743,941.28 = 270,918.26 : x
  2. Step 2: Convert to fraction form
    495,820.55/743,941.28 = 270,918.26/x
  3. Step 3: Cross multiply
    495,820.55x = 743,941.28 × 270,918.26
  4. Step 4: Simplify right side
    495,820.55x = 201,547,275,343.23
  5. Step 5: Solve for x
    x = 201,547,275,343.23/495,820.55
  6. Step 6: Final answer
    x = 406,492.38

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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.