Home / 802,543.14-1,107,502.47-439,960.41

Finding the Fourth Proportional to 802,543.14, 1,107,502.47 and 439,960.41

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Solution

The fourth proportional to 802,543.14, 1,107,502.47 and 439,960.41 is: 607,141.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    802,543.14 : 1,107,502.47 = 439,960.41 : x
  2. Step 2: Convert to fraction form
    802,543.14/1,107,502.47 = 439,960.41/x
  3. Step 3: Cross multiply
    802,543.14x = 1,107,502.47 × 439,960.41
  4. Step 4: Simplify right side
    802,543.14x = 487,257,240,777.21
  5. Step 5: Solve for x
    x = 487,257,240,777.21/802,543.14
  6. Step 6: Final answer
    x = 607,141.49

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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.