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Finding the Fourth Proportional to 562,279.08, 775,964.51 and 307,630.27

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Solution

The fourth proportional to 562,279.08, 775,964.51 and 307,630.27 is: 424,540.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,279.08 : 775,964.51 = 307,630.27 : x
  2. Step 2: Convert to fraction form
    562,279.08/775,964.51 = 307,630.27/x
  3. Step 3: Cross multiply
    562,279.08x = 775,964.51 × 307,630.27
  4. Step 4: Simplify right side
    562,279.08x = 238,710,172,307.14
  5. Step 5: Solve for x
    x = 238,710,172,307.14/562,279.08
  6. Step 6: Final answer
    x = 424,540.37

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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.