Home / 747,347.25-1,031,361.08-407,837.37

Finding the Fourth Proportional to 747,347.25, 1,031,361.08 and 407,837.37

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Solution

The fourth proportional to 747,347.25, 1,031,361.08 and 407,837.37 is: 562,827.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,347.25 : 1,031,361.08 = 407,837.37 : x
  2. Step 2: Convert to fraction form
    747,347.25/1,031,361.08 = 407,837.37/x
  3. Step 3: Cross multiply
    747,347.25x = 1,031,361.08 × 407,837.37
  4. Step 4: Simplify right side
    747,347.25x = 420,627,588,348.37
  5. Step 5: Solve for x
    x = 420,627,588,348.37/747,347.25
  6. Step 6: Final answer
    x = 562,827.51

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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.