Home / 628,713.39-942,501.33-229,260.72

Finding the Fourth Proportional to 628,713.39, 942,501.33 and 229,260.72

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Solution

The fourth proportional to 628,713.39, 942,501.33 and 229,260.72 is: 343,683.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,713.39 : 942,501.33 = 229,260.72 : x
  2. Step 2: Convert to fraction form
    628,713.39/942,501.33 = 229,260.72/x
  3. Step 3: Cross multiply
    628,713.39x = 942,501.33 × 229,260.72
  4. Step 4: Simplify right side
    628,713.39x = 216,078,533,516.76
  5. Step 5: Solve for x
    x = 216,078,533,516.76/628,713.39
  6. Step 6: Final answer
    x = 343,683.68

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1.5x scale

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.