Home / 750,110.38-1,035,155.63-405,946.36

Finding the Fourth Proportional to 750,110.38, 1,035,155.63 and 405,946.36

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Solution

The fourth proportional to 750,110.38, 1,035,155.63 and 405,946.36 is: 560,207.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,110.38 : 1,035,155.63 = 405,946.36 : x
  2. Step 2: Convert to fraction form
    750,110.38/1,035,155.63 = 405,946.36/x
  3. Step 3: Cross multiply
    750,110.38x = 1,035,155.63 × 405,946.36
  4. Step 4: Simplify right side
    750,110.38x = 420,217,660,032.01
  5. Step 5: Solve for x
    x = 420,217,660,032.01/750,110.38
  6. Step 6: Final answer
    x = 560,207.77

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1.5x scale

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.