Home / 613,114.04-919,402.96-309,321.29

Finding the Fourth Proportional to 613,114.04, 919,402.96 and 309,321.29

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Solution

The fourth proportional to 613,114.04, 919,402.96 and 309,321.29 is: 463,846.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,114.04 : 919,402.96 = 309,321.29 : x
  2. Step 2: Convert to fraction form
    613,114.04/919,402.96 = 309,321.29/x
  3. Step 3: Cross multiply
    613,114.04x = 919,402.96 × 309,321.29
  4. Step 4: Simplify right side
    613,114.04x = 284,390,908,070.41
  5. Step 5: Solve for x
    x = 284,390,908,070.41/613,114.04
  6. Step 6: Final answer
    x = 463,846.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.