Home / 725,069.28-1,000,567.79-402,799.64

Finding the Fourth Proportional to 725,069.28, 1,000,567.79 and 402,799.64

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Solution

The fourth proportional to 725,069.28, 1,000,567.79 and 402,799.64 is: 555,848.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,069.28 : 1,000,567.79 = 402,799.64 : x
  2. Step 2: Convert to fraction form
    725,069.28/1,000,567.79 = 402,799.64/x
  3. Step 3: Cross multiply
    725,069.28x = 1,000,567.79 × 402,799.64
  4. Step 4: Simplify right side
    725,069.28x = 403,028,345,607.60
  5. Step 5: Solve for x
    x = 403,028,345,607.60/725,069.28
  6. Step 6: Final answer
    x = 555,848.05

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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.