Home / 788,486.55-1,088,111.88-425,910.41

Finding the Fourth Proportional to 788,486.55, 1,088,111.88 and 425,910.41

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Solution

The fourth proportional to 788,486.55, 1,088,111.88 and 425,910.41 is: 587,756.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,486.55 : 1,088,111.88 = 425,910.41 : x
  2. Step 2: Convert to fraction form
    788,486.55/1,088,111.88 = 425,910.41/x
  3. Step 3: Cross multiply
    788,486.55x = 1,088,111.88 × 425,910.41
  4. Step 4: Simplify right side
    788,486.55x = 463,438,178,773.76
  5. Step 5: Solve for x
    x = 463,438,178,773.76/788,486.55
  6. Step 6: Final answer
    x = 587,756.61

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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.