Home / 788,426.75-1,088,029.05-430,730.75

Finding the Fourth Proportional to 788,426.75, 1,088,029.05 and 430,730.75

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Solution

The fourth proportional to 788,426.75, 1,088,029.05 and 430,730.75 is: 594,408.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,426.75 : 1,088,029.05 = 430,730.75 : x
  2. Step 2: Convert to fraction form
    788,426.75/1,088,029.05 = 430,730.75/x
  3. Step 3: Cross multiply
    788,426.75x = 1,088,029.05 × 430,730.75
  4. Step 4: Simplify right side
    788,426.75x = 468,647,568,728.29
  5. Step 5: Solve for x
    x = 468,647,568,728.29/788,426.75
  6. Step 6: Final answer
    x = 594,408.51

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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.