Home / 750,052.51-1,035,064.58-405,880.91

Finding the Fourth Proportional to 750,052.51, 1,035,064.58 and 405,880.91

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Solution

The fourth proportional to 750,052.51, 1,035,064.58 and 405,880.91 is: 560,111.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,052.51 : 1,035,064.58 = 405,880.91 : x
  2. Step 2: Convert to fraction form
    750,052.51/1,035,064.58 = 405,880.91/x
  3. Step 3: Cross multiply
    750,052.51x = 1,035,064.58 × 405,880.91
  4. Step 4: Simplify right side
    750,052.51x = 420,112,946,434.44
  5. Step 5: Solve for x
    x = 420,112,946,434.44/750,052.51
  6. Step 6: Final answer
    x = 560,111.38

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.