Home / 495,101.46-683,242.32-280,283.13

Finding the Fourth Proportional to 495,101.46, 683,242.32 and 280,283.13

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Solution

The fourth proportional to 495,101.46, 683,242.32 and 280,283.13 is: 386,792.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,101.46 : 683,242.32 = 280,283.13 : x
  2. Step 2: Convert to fraction form
    495,101.46/683,242.32 = 280,283.13/x
  3. Step 3: Cross multiply
    495,101.46x = 683,242.32 × 280,283.13
  4. Step 4: Simplify right side
    495,101.46x = 191,501,295,998.06
  5. Step 5: Solve for x
    x = 191,501,295,998.06/495,101.46
  6. Step 6: Final answer
    x = 386,792.02

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1.5x scale

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.