Home / 434,749.06-653,117.46-308,700.10

Finding the Fourth Proportional to 434,749.06, 653,117.46 and 308,700.10

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Solution

The fourth proportional to 434,749.06, 653,117.46 and 308,700.10 is: 463,755.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,749.06 : 653,117.46 = 308,700.10 : x
  2. Step 2: Convert to fraction form
    434,749.06/653,117.46 = 308,700.10/x
  3. Step 3: Cross multiply
    434,749.06x = 653,117.46 × 308,700.10
  4. Step 4: Simplify right side
    434,749.06x = 201,617,425,213.75
  5. Step 5: Solve for x
    x = 201,617,425,213.75/434,749.06
  6. Step 6: Final answer
    x = 463,755.86

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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.