Home / 757,386.76-1,045,286.22-435,096.16

Finding the Fourth Proportional to 757,386.76, 1,045,286.22 and 435,096.16

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Solution

The fourth proportional to 757,386.76, 1,045,286.22 and 435,096.16 is: 600,485.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,386.76 : 1,045,286.22 = 435,096.16 : x
  2. Step 2: Convert to fraction form
    757,386.76/1,045,286.22 = 435,096.16/x
  3. Step 3: Cross multiply
    757,386.76x = 1,045,286.22 × 435,096.16
  4. Step 4: Simplify right side
    757,386.76x = 454,800,020,422.92
  5. Step 5: Solve for x
    x = 454,800,020,422.92/757,386.76
  6. Step 6: Final answer
    x = 600,485.83

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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.