Home / 536,272.91-740,108.01-306,784.63

Finding the Fourth Proportional to 536,272.91, 740,108.01 and 306,784.63

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Solution

The fourth proportional to 536,272.91, 740,108.01 and 306,784.63 is: 423,392.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,272.91 : 740,108.01 = 306,784.63 : x
  2. Step 2: Convert to fraction form
    536,272.91/740,108.01 = 306,784.63/x
  3. Step 3: Cross multiply
    536,272.91x = 740,108.01 × 306,784.63
  4. Step 4: Simplify right side
    536,272.91x = 227,053,762,007.89
  5. Step 5: Solve for x
    x = 227,053,762,007.89/536,272.91
  6. Step 6: Final answer
    x = 423,392.19

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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.