Home / 802,346.90-1,107,247.48-439,762.82

Finding the Fourth Proportional to 802,346.90, 1,107,247.48 and 439,762.82

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Solution

The fourth proportional to 802,346.90, 1,107,247.48 and 439,762.82 is: 606,877.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    802,346.90 : 1,107,247.48 = 439,762.82 : x
  2. Step 2: Convert to fraction form
    802,346.90/1,107,247.48 = 439,762.82/x
  3. Step 3: Cross multiply
    802,346.90x = 1,107,247.48 × 439,762.82
  4. Step 4: Simplify right side
    802,346.90x = 486,926,274,242.69
  5. Step 5: Solve for x
    x = 486,926,274,242.69/802,346.90
  6. Step 6: Final answer
    x = 606,877.49

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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.