Home / 725,303.80-1,000,901.06-403,014.72

Finding the Fourth Proportional to 725,303.80, 1,000,901.06 and 403,014.72

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Solution

The fourth proportional to 725,303.80, 1,000,901.06 and 403,014.72 is: 556,150.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,303.80 : 1,000,901.06 = 403,014.72 : x
  2. Step 2: Convert to fraction form
    725,303.80/1,000,901.06 = 403,014.72/x
  3. Step 3: Cross multiply
    725,303.80x = 1,000,901.06 × 403,014.72
  4. Step 4: Simplify right side
    725,303.80x = 403,377,860,443.60
  5. Step 5: Solve for x
    x = 403,377,860,443.60/725,303.80
  6. Step 6: Final answer
    x = 556,150.21

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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.