Home / 780,501.96-1,077,113.70-440,962.92

Finding the Fourth Proportional to 780,501.96, 1,077,113.70 and 440,962.92

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Solution

The fourth proportional to 780,501.96, 1,077,113.70 and 440,962.92 is: 608,540.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,501.96 : 1,077,113.70 = 440,962.92 : x
  2. Step 2: Convert to fraction form
    780,501.96/1,077,113.70 = 440,962.92/x
  3. Step 3: Cross multiply
    780,501.96x = 1,077,113.70 × 440,962.92
  4. Step 4: Simplify right side
    780,501.96x = 474,967,202,324.00
  5. Step 5: Solve for x
    x = 474,967,202,324.00/780,501.96
  6. Step 6: Final answer
    x = 608,540.69

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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.