Home / 788,500.45-1,088,131.02-425,924.29

Finding the Fourth Proportional to 788,500.45, 1,088,131.02 and 425,924.29

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Solution

The fourth proportional to 788,500.45, 1,088,131.02 and 425,924.29 is: 587,775.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,500.45 : 1,088,131.02 = 425,924.29 : x
  2. Step 2: Convert to fraction form
    788,500.45/1,088,131.02 = 425,924.29/x
  3. Step 3: Cross multiply
    788,500.45x = 1,088,131.02 × 425,924.29
  4. Step 4: Simplify right side
    788,500.45x = 463,461,432,120.48
  5. Step 5: Solve for x
    x = 463,461,432,120.48/788,500.45
  6. Step 6: Final answer
    x = 587,775.74

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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.