Home / 528,315.74-792,529.02-228,826.60

Finding the Fourth Proportional to 528,315.74, 792,529.02 and 228,826.60

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Solution

The fourth proportional to 528,315.74, 792,529.02 and 228,826.60 is: 343,263.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,315.74 : 792,529.02 = 228,826.60 : x
  2. Step 2: Convert to fraction form
    528,315.74/792,529.02 = 228,826.60/x
  3. Step 3: Cross multiply
    528,315.74x = 792,529.02 × 228,826.60
  4. Step 4: Simplify right side
    528,315.74x = 181,351,721,047.93
  5. Step 5: Solve for x
    x = 181,351,721,047.93/528,315.74
  6. Step 6: Final answer
    x = 343,263.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.