Home / 802,628.99-1,107,615.43-440,055.98

Finding the Fourth Proportional to 802,628.99, 1,107,615.43 and 440,055.98

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Solution

The fourth proportional to 802,628.99, 1,107,615.43 and 440,055.98 is: 607,270.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    802,628.99 : 1,107,615.43 = 440,055.98 : x
  2. Step 2: Convert to fraction form
    802,628.99/1,107,615.43 = 440,055.98/x
  3. Step 3: Cross multiply
    802,628.99x = 1,107,615.43 × 440,055.98
  4. Step 4: Simplify right side
    802,628.99x = 487,412,793,511.77
  5. Step 5: Solve for x
    x = 487,412,793,511.77/802,628.99
  6. Step 6: Final answer
    x = 607,270.36

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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.