Home / 540,672.19-746,095.57-298,935.79

Finding the Fourth Proportional to 540,672.19, 746,095.57 and 298,935.79

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Solution

The fourth proportional to 540,672.19, 746,095.57 and 298,935.79 is: 412,513.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,672.19 : 746,095.57 = 298,935.79 : x
  2. Step 2: Convert to fraction form
    540,672.19/746,095.57 = 298,935.79/x
  3. Step 3: Cross multiply
    540,672.19x = 746,095.57 × 298,935.79
  4. Step 4: Simplify right side
    540,672.19x = 223,034,668,633.45
  5. Step 5: Solve for x
    x = 223,034,668,633.45/540,672.19
  6. Step 6: Final answer
    x = 412,513.67

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Double scale
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1.5x scale

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.