Home / 783,369.74-1,081,242.56-477,614.72

Finding the Fourth Proportional to 783,369.74, 1,081,242.56 and 477,614.72

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Solution

The fourth proportional to 783,369.74, 1,081,242.56 and 477,614.72 is: 659,225.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,369.74 : 1,081,242.56 = 477,614.72 : x
  2. Step 2: Convert to fraction form
    783,369.74/1,081,242.56 = 477,614.72/x
  3. Step 3: Cross multiply
    783,369.74x = 1,081,242.56 × 477,614.72
  4. Step 4: Simplify right side
    783,369.74x = 516,417,362,546.48
  5. Step 5: Solve for x
    x = 516,417,362,546.48/783,369.74
  6. Step 6: Final answer
    x = 659,225.57

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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.