Home / 907,478.82-1,357,798.05-541,386.57

Finding the Fourth Proportional to 907,478.82, 1,357,798.05 and 541,386.57

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Solution

The fourth proportional to 907,478.82, 1,357,798.05 and 541,386.57 is: 810,039.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,478.82 : 1,357,798.05 = 541,386.57 : x
  2. Step 2: Convert to fraction form
    907,478.82/1,357,798.05 = 541,386.57/x
  3. Step 3: Cross multiply
    907,478.82x = 1,357,798.05 × 541,386.57
  4. Step 4: Simplify right side
    907,478.82x = 735,093,629,042.19
  5. Step 5: Solve for x
    x = 735,093,629,042.19/907,478.82
  6. Step 6: Final answer
    x = 810,039.43

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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.