Home / 725,253.12-1,000,846.08-403,015.68

Finding the Fourth Proportional to 725,253.12, 1,000,846.08 and 403,015.68

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Solution

The fourth proportional to 725,253.12, 1,000,846.08 and 403,015.68 is: 556,159.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,253.12 : 1,000,846.08 = 403,015.68 : x
  2. Step 2: Convert to fraction form
    725,253.12/1,000,846.08 = 403,015.68/x
  3. Step 3: Cross multiply
    725,253.12x = 1,000,846.08 × 403,015.68
  4. Step 4: Simplify right side
    725,253.12x = 403,356,663,506.53
  5. Step 5: Solve for x
    x = 403,356,663,506.53/725,253.12
  6. Step 6: Final answer
    x = 556,159.85

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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.