Home / 788,687.66-1,088,389.42-426,111.41

Finding the Fourth Proportional to 788,687.66, 1,088,389.42 and 426,111.41

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Solution

The fourth proportional to 788,687.66, 1,088,389.42 and 426,111.41 is: 588,033.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,687.66 : 1,088,389.42 = 426,111.41 : x
  2. Step 2: Convert to fraction form
    788,687.66/1,088,389.42 = 426,111.41/x
  3. Step 3: Cross multiply
    788,687.66x = 1,088,389.42 × 426,111.41
  4. Step 4: Simplify right side
    788,687.66x = 463,775,143,878.06
  5. Step 5: Solve for x
    x = 463,775,143,878.06/788,687.66
  6. Step 6: Final answer
    x = 588,033.98

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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.