Home / 725,303.29-1,000,900.35-403,014.22

Finding the Fourth Proportional to 725,303.29, 1,000,900.35 and 403,014.22

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Solution

The fourth proportional to 725,303.29, 1,000,900.35 and 403,014.22 is: 556,149.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,303.29 : 1,000,900.35 = 403,014.22 : x
  2. Step 2: Convert to fraction form
    725,303.29/1,000,900.35 = 403,014.22/x
  3. Step 3: Cross multiply
    725,303.29x = 1,000,900.35 × 403,014.22
  4. Step 4: Simplify right side
    725,303.29x = 403,377,073,852.98
  5. Step 5: Solve for x
    x = 403,377,073,852.98/725,303.29
  6. Step 6: Final answer
    x = 556,149.52

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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.