Home / 788,297.40-1,087,850.34-425,721.24

Finding the Fourth Proportional to 788,297.40, 1,087,850.34 and 425,721.24

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Solution

The fourth proportional to 788,297.40, 1,087,850.34 and 425,721.24 is: 587,495.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,297.40 : 1,087,850.34 = 425,721.24 : x
  2. Step 2: Convert to fraction form
    788,297.40/1,087,850.34 = 425,721.24/x
  3. Step 3: Cross multiply
    788,297.40x = 1,087,850.34 × 425,721.24
  4. Step 4: Simplify right side
    788,297.40x = 463,120,995,679.22
  5. Step 5: Solve for x
    x = 463,120,995,679.22/788,297.40
  6. Step 6: Final answer
    x = 587,495.27

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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.