Home / 788,647.82-1,088,334.50-426,071.48

Finding the Fourth Proportional to 788,647.82, 1,088,334.50 and 426,071.48

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Solution

The fourth proportional to 788,647.82, 1,088,334.50 and 426,071.48 is: 587,978.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,647.82 : 1,088,334.50 = 426,071.48 : x
  2. Step 2: Convert to fraction form
    788,647.82/1,088,334.50 = 426,071.48/x
  3. Step 3: Cross multiply
    788,647.82x = 1,088,334.50 × 426,071.48
  4. Step 4: Simplify right side
    788,647.82x = 463,708,283,578.03
  5. Step 5: Solve for x
    x = 463,708,283,578.03/788,647.82
  6. Step 6: Final answer
    x = 587,978.91

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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.