Home / 739,286.08-1,020,214.06-399,753.52

Finding the Fourth Proportional to 739,286.08, 1,020,214.06 and 399,753.52

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Solution

The fourth proportional to 739,286.08, 1,020,214.06 and 399,753.52 is: 551,659.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,286.08 : 1,020,214.06 = 399,753.52 : x
  2. Step 2: Convert to fraction form
    739,286.08/1,020,214.06 = 399,753.52/x
  3. Step 3: Cross multiply
    739,286.08x = 1,020,214.06 × 399,753.52
  4. Step 4: Simplify right side
    739,286.08x = 407,834,161,638.49
  5. Step 5: Solve for x
    x = 407,834,161,638.49/739,286.08
  6. Step 6: Final answer
    x = 551,659.46

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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.