Home / 654,319.96-981,478.45-205,075.06

Finding the Fourth Proportional to 654,319.96, 981,478.45 and 205,075.06

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Solution

The fourth proportional to 654,319.96, 981,478.45 and 205,075.06 is: 307,612.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,319.96 : 981,478.45 = 205,075.06 : x
  2. Step 2: Convert to fraction form
    654,319.96/981,478.45 = 205,075.06/x
  3. Step 3: Cross multiply
    654,319.96x = 981,478.45 × 205,075.06
  4. Step 4: Simplify right side
    654,319.96x = 201,276,749,825.11
  5. Step 5: Solve for x
    x = 201,276,749,825.11/654,319.96
  6. Step 6: Final answer
    x = 307,612.12

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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.