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Finding the Fourth Proportional to 507,042.09, 700,192.23 and 326,068.29

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Solution

The fourth proportional to 507,042.09, 700,192.23 and 326,068.29 is: 450,279.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,042.09 : 700,192.23 = 326,068.29 : x
  2. Step 2: Convert to fraction form
    507,042.09/700,192.23 = 326,068.29/x
  3. Step 3: Cross multiply
    507,042.09x = 700,192.23 × 326,068.29
  4. Step 4: Simplify right side
    507,042.09x = 228,310,483,107.39
  5. Step 5: Solve for x
    x = 228,310,483,107.39/507,042.09
  6. Step 6: Final answer
    x = 450,279.15

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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.