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Finding the Fourth Proportional to 592,279.78, 817,345.24 and 334,156.38

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Solution

The fourth proportional to 592,279.78, 817,345.24 and 334,156.38 is: 461,135.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,279.78 : 817,345.24 = 334,156.38 : x
  2. Step 2: Convert to fraction form
    592,279.78/817,345.24 = 334,156.38/x
  3. Step 3: Cross multiply
    592,279.78x = 817,345.24 × 334,156.38
  4. Step 4: Simplify right side
    592,279.78x = 273,121,126,608.63
  5. Step 5: Solve for x
    x = 273,121,126,608.63/592,279.78
  6. Step 6: Final answer
    x = 461,135.32

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Double scale
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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.