Home / 788,638.59-1,088,321.82-426,062.31

Finding the Fourth Proportional to 788,638.59, 1,088,321.82 and 426,062.31

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Solution

The fourth proportional to 788,638.59, 1,088,321.82 and 426,062.31 is: 587,966.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,638.59 : 1,088,321.82 = 426,062.31 : x
  2. Step 2: Convert to fraction form
    788,638.59/1,088,321.82 = 426,062.31/x
  3. Step 3: Cross multiply
    788,638.59x = 1,088,321.82 × 426,062.31
  4. Step 4: Simplify right side
    788,638.59x = 463,692,908,652.60
  5. Step 5: Solve for x
    x = 463,692,908,652.60/788,638.59
  6. Step 6: Final answer
    x = 587,966.29

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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.