Home / 671,148.04-926,183.76-369,342.04

Finding the Fourth Proportional to 671,148.04, 926,183.76 and 369,342.04

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Solution

The fourth proportional to 671,148.04, 926,183.76 and 369,342.04 is: 509,691.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,148.04 : 926,183.76 = 369,342.04 : x
  2. Step 2: Convert to fraction form
    671,148.04/926,183.76 = 369,342.04/x
  3. Step 3: Cross multiply
    671,148.04x = 926,183.76 × 369,342.04
  4. Step 4: Simplify right side
    671,148.04x = 342,078,599,333.27
  5. Step 5: Solve for x
    x = 342,078,599,333.27/671,148.04
  6. Step 6: Final answer
    x = 509,691.72

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Double scale
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Similar ratio
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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.