Home / 703,286.40-1,054,929.60-371,510.40

Finding the Fourth Proportional to 703,286.40, 1,054,929.60 and 371,510.40

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Solution

The fourth proportional to 703,286.40, 1,054,929.60 and 371,510.40 is: 557,265.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,286.40 : 1,054,929.60 = 371,510.40 : x
  2. Step 2: Convert to fraction form
    703,286.40/1,054,929.60 = 371,510.40/x
  3. Step 3: Cross multiply
    703,286.40x = 1,054,929.60 × 371,510.40
  4. Step 4: Simplify right side
    703,286.40x = 391,917,317,667.84
  5. Step 5: Solve for x
    x = 391,917,317,667.84/703,286.40
  6. Step 6: Final answer
    x = 557,265.60

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1.5x scale

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.