Home / 725,008.58-1,000,483.71-402,739.10

Finding the Fourth Proportional to 725,008.58, 1,000,483.71 and 402,739.10

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Solution

The fourth proportional to 725,008.58, 1,000,483.71 and 402,739.10 is: 555,764.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,008.58 : 1,000,483.71 = 402,739.10 : x
  2. Step 2: Convert to fraction form
    725,008.58/1,000,483.71 = 402,739.10/x
  3. Step 3: Cross multiply
    725,008.58x = 1,000,483.71 × 402,739.10
  4. Step 4: Simplify right side
    725,008.58x = 402,933,908,930.06
  5. Step 5: Solve for x
    x = 402,933,908,930.06/725,008.58
  6. Step 6: Final answer
    x = 555,764.33

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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.