Home / 985,510.26-1,478,039.40-275,588.19

Finding the Fourth Proportional to 985,510.26, 1,478,039.40 and 275,588.19

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Solution

The fourth proportional to 985,510.26, 1,478,039.40 and 275,588.19 is: 413,319.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,510.26 : 1,478,039.40 = 275,588.19 : x
  2. Step 2: Convert to fraction form
    985,510.26/1,478,039.40 = 275,588.19/x
  3. Step 3: Cross multiply
    985,510.26x = 1,478,039.40 × 275,588.19
  4. Step 4: Simplify right side
    985,510.26x = 407,330,202,994.69
  5. Step 5: Solve for x
    x = 407,330,202,994.69/985,510.26
  6. Step 6: Final answer
    x = 413,319.09

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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.