Home / 495,388.84-683,650.02-291,453.16

Finding the Fourth Proportional to 495,388.84, 683,650.02 and 291,453.16

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Solution

The fourth proportional to 495,388.84, 683,650.02 and 291,453.16 is: 402,213.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,388.84 : 683,650.02 = 291,453.16 : x
  2. Step 2: Convert to fraction form
    495,388.84/683,650.02 = 291,453.16/x
  3. Step 3: Cross multiply
    495,388.84x = 683,650.02 × 291,453.16
  4. Step 4: Simplify right side
    495,388.84x = 199,251,958,663.06
  5. Step 5: Solve for x
    x = 199,251,958,663.06/495,388.84
  6. Step 6: Final answer
    x = 402,213.26

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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.