Home / 802,740.54-1,107,794.43-440,197.50

Finding the Fourth Proportional to 802,740.54, 1,107,794.43 and 440,197.50

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Solution

The fourth proportional to 802,740.54, 1,107,794.43 and 440,197.50 is: 607,479.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    802,740.54 : 1,107,794.43 = 440,197.50 : x
  2. Step 2: Convert to fraction form
    802,740.54/1,107,794.43 = 440,197.50/x
  3. Step 3: Cross multiply
    802,740.54x = 1,107,794.43 × 440,197.50
  4. Step 4: Simplify right side
    802,740.54x = 487,648,338,599.93
  5. Step 5: Solve for x
    x = 487,648,338,599.93/802,740.54
  6. Step 6: Final answer
    x = 607,479.40

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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.