Home / 948,675.42-1,309,171.64-518,955.43

Finding the Fourth Proportional to 948,675.42, 1,309,171.64 and 518,955.43

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Solution

The fourth proportional to 948,675.42, 1,309,171.64 and 518,955.43 is: 716,158.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    948,675.42 : 1,309,171.64 = 518,955.43 : x
  2. Step 2: Convert to fraction form
    948,675.42/1,309,171.64 = 518,955.43/x
  3. Step 3: Cross multiply
    948,675.42x = 1,309,171.64 × 518,955.43
  4. Step 4: Simplify right side
    948,675.42x = 679,401,731,380.01
  5. Step 5: Solve for x
    x = 679,401,731,380.01/948,675.42
  6. Step 6: Final answer
    x = 716,158.25

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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.