Home / 495,210.43-683,393.18-291,269.91

Finding the Fourth Proportional to 495,210.43, 683,393.18 and 291,269.91

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Solution

The fourth proportional to 495,210.43, 683,393.18 and 291,269.91 is: 401,954.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,210.43 : 683,393.18 = 291,269.91 : x
  2. Step 2: Convert to fraction form
    495,210.43/683,393.18 = 291,269.91/x
  3. Step 3: Cross multiply
    495,210.43x = 683,393.18 × 291,269.91
  4. Step 4: Simplify right side
    495,210.43x = 199,051,870,033.21
  5. Step 5: Solve for x
    x = 199,051,870,033.21/495,210.43
  6. Step 6: Final answer
    x = 401,954.11

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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.