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Finding the Fourth Proportional to 675,518.08, 932,172.96 and 373,712.08

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Solution

The fourth proportional to 675,518.08, 932,172.96 and 373,712.08 is: 515,699.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,518.08 : 932,172.96 = 373,712.08 : x
  2. Step 2: Convert to fraction form
    675,518.08/932,172.96 = 373,712.08/x
  3. Step 3: Cross multiply
    675,518.08x = 932,172.96 × 373,712.08
  4. Step 4: Simplify right side
    675,518.08x = 348,364,295,801.36
  5. Step 5: Solve for x
    x = 348,364,295,801.36/675,518.08
  6. Step 6: Final answer
    x = 515,699.44

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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.