Home / 495,418.56-683,678.93-291,477.17

Finding the Fourth Proportional to 495,418.56, 683,678.93 and 291,477.17

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Solution

The fourth proportional to 495,418.56, 683,678.93 and 291,477.17 is: 402,239.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,418.56 : 683,678.93 = 291,477.17 : x
  2. Step 2: Convert to fraction form
    495,418.56/683,678.93 = 291,477.17/x
  3. Step 3: Cross multiply
    495,418.56x = 683,678.93 × 291,477.17
  4. Step 4: Simplify right side
    495,418.56x = 199,276,794,829.25
  5. Step 5: Solve for x
    x = 199,276,794,829.25/495,418.56
  6. Step 6: Final answer
    x = 402,239.26

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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.