Home / 725,047.07-1,000,564.45-402,787.22

Finding the Fourth Proportional to 725,047.07, 1,000,564.45 and 402,787.22

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Solution

The fourth proportional to 725,047.07, 1,000,564.45 and 402,787.22 is: 555,846.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,047.07 : 1,000,564.45 = 402,787.22 : x
  2. Step 2: Convert to fraction form
    725,047.07/1,000,564.45 = 402,787.22/x
  3. Step 3: Cross multiply
    725,047.07x = 1,000,564.45 × 402,787.22
  4. Step 4: Simplify right side
    725,047.07x = 403,014,567,236.54
  5. Step 5: Solve for x
    x = 403,014,567,236.54/725,047.07
  6. Step 6: Final answer
    x = 555,846.08

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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.