Home / 875,433.40-1,313,556.08-370,112.36

Finding the Fourth Proportional to 875,433.40, 1,313,556.08 and 370,112.36

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Solution

The fourth proportional to 875,433.40, 1,313,556.08 and 370,112.36 is: 555,340.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,433.40 : 1,313,556.08 = 370,112.36 : x
  2. Step 2: Convert to fraction form
    875,433.40/1,313,556.08 = 370,112.36/x
  3. Step 3: Cross multiply
    875,433.40x = 1,313,556.08 × 370,112.36
  4. Step 4: Simplify right side
    875,433.40x = 486,163,332,342.81
  5. Step 5: Solve for x
    x = 486,163,332,342.81/875,433.40
  6. Step 6: Final answer
    x = 555,340.17

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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.