Home / 578,556.02-864,315.71-374,489.79

Finding the Fourth Proportional to 578,556.02, 864,315.71 and 374,489.79

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Solution

The fourth proportional to 578,556.02, 864,315.71 and 374,489.79 is: 559,457.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,556.02 : 864,315.71 = 374,489.79 : x
  2. Step 2: Convert to fraction form
    578,556.02/864,315.71 = 374,489.79/x
  3. Step 3: Cross multiply
    578,556.02x = 864,315.71 × 374,489.79
  4. Step 4: Simplify right side
    578,556.02x = 323,677,408,731.60
  5. Step 5: Solve for x
    x = 323,677,408,731.60/578,556.02
  6. Step 6: Final answer
    x = 559,457.33

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.