Home / 714,128.40-1,071,191.52-293,107.68

Finding the Fourth Proportional to 714,128.40, 1,071,191.52 and 293,107.68

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Solution

The fourth proportional to 714,128.40, 1,071,191.52 and 293,107.68 is: 439,661.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    714,128.40 : 1,071,191.52 = 293,107.68 : x
  2. Step 2: Convert to fraction form
    714,128.40/1,071,191.52 = 293,107.68/x
  3. Step 3: Cross multiply
    714,128.40x = 1,071,191.52 × 293,107.68
  4. Step 4: Simplify right side
    714,128.40x = 313,974,461,262.87
  5. Step 5: Solve for x
    x = 313,974,461,262.87/714,128.40
  6. Step 6: Final answer
    x = 439,661.08

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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.