Home / 788,771.42-1,088,504.61-449,271.26

Finding the Fourth Proportional to 788,771.42, 1,088,504.61 and 449,271.26

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Solution

The fourth proportional to 788,771.42, 1,088,504.61 and 449,271.26 is: 619,994.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,771.42 : 1,088,504.61 = 449,271.26 : x
  2. Step 2: Convert to fraction form
    788,771.42/1,088,504.61 = 449,271.26/x
  3. Step 3: Cross multiply
    788,771.42x = 1,088,504.61 × 449,271.26
  4. Step 4: Simplify right side
    788,771.42x = 489,033,837,650.51
  5. Step 5: Solve for x
    x = 489,033,837,650.51/788,771.42
  6. Step 6: Final answer
    x = 619,994.37

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Double scale
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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.