Home / 495,182.95-683,355.26-291,242.46

Finding the Fourth Proportional to 495,182.95, 683,355.26 and 291,242.46

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Solution

The fourth proportional to 495,182.95, 683,355.26 and 291,242.46 is: 401,916.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,182.95 : 683,355.26 = 291,242.46 : x
  2. Step 2: Convert to fraction form
    495,182.95/683,355.26 = 291,242.46/x
  3. Step 3: Cross multiply
    495,182.95x = 683,355.26 × 291,242.46
  4. Step 4: Simplify right side
    495,182.95x = 199,022,066,976.34
  5. Step 5: Solve for x
    x = 199,022,066,976.34/495,182.95
  6. Step 6: Final answer
    x = 401,916.24

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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.