Home / 725,330.09-1,000,935.63-403,031.90

Finding the Fourth Proportional to 725,330.09, 1,000,935.63 and 403,031.90

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Solution

The fourth proportional to 725,330.09, 1,000,935.63 and 403,031.90 is: 556,172.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,330.09 : 1,000,935.63 = 403,031.90 : x
  2. Step 2: Convert to fraction form
    725,330.09/1,000,935.63 = 403,031.90/x
  3. Step 3: Cross multiply
    725,330.09x = 1,000,935.63 × 403,031.90
  4. Step 4: Simplify right side
    725,330.09x = 403,408,983,731.92
  5. Step 5: Solve for x
    x = 403,408,983,731.92/725,330.09
  6. Step 6: Final answer
    x = 556,172.96

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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.