Home / 788,812.43-1,088,647.64-457,741.29

Finding the Fourth Proportional to 788,812.43, 1,088,647.64 and 457,741.29

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Solution

The fourth proportional to 788,812.43, 1,088,647.64 and 457,741.29 is: 631,733.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,812.43 : 1,088,647.64 = 457,741.29 : x
  2. Step 2: Convert to fraction form
    788,812.43/1,088,647.64 = 457,741.29/x
  3. Step 3: Cross multiply
    788,812.43x = 1,088,647.64 × 457,741.29
  4. Step 4: Simplify right side
    788,812.43x = 498,318,968,126.45
  5. Step 5: Solve for x
    x = 498,318,968,126.45/788,812.43
  6. Step 6: Final answer
    x = 631,733.16

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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.