Home / 725,623.44-1,001,290.68-403,314.30

Finding the Fourth Proportional to 725,623.44, 1,001,290.68 and 403,314.30

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Solution

The fourth proportional to 725,623.44, 1,001,290.68 and 403,314.30 is: 556,535.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,623.44 : 1,001,290.68 = 403,314.30 : x
  2. Step 2: Convert to fraction form
    725,623.44/1,001,290.68 = 403,314.30/x
  3. Step 3: Cross multiply
    725,623.44x = 1,001,290.68 × 403,314.30
  4. Step 4: Simplify right side
    725,623.44x = 403,834,849,700.72
  5. Step 5: Solve for x
    x = 403,834,849,700.72/725,623.44
  6. Step 6: Final answer
    x = 556,535.01

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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.