Home / 725,064.03-1,000,560.55-402,794.39

Finding the Fourth Proportional to 725,064.03, 1,000,560.55 and 402,794.39

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Solution

The fourth proportional to 725,064.03, 1,000,560.55 and 402,794.39 is: 555,840.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,064.03 : 1,000,560.55 = 402,794.39 : x
  2. Step 2: Convert to fraction form
    725,064.03/1,000,560.55 = 402,794.39/x
  3. Step 3: Cross multiply
    725,064.03x = 1,000,560.55 × 402,794.39
  4. Step 4: Simplify right side
    725,064.03x = 403,020,176,395.32
  5. Step 5: Solve for x
    x = 403,020,176,395.32/725,064.03
  6. Step 6: Final answer
    x = 555,840.81

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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.