Home / 780,535.71-1,077,160.28-440,996.67

Finding the Fourth Proportional to 780,535.71, 1,077,160.28 and 440,996.67

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Solution

The fourth proportional to 780,535.71, 1,077,160.28 and 440,996.67 is: 608,587.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,535.71 : 1,077,160.28 = 440,996.67 : x
  2. Step 2: Convert to fraction form
    780,535.71/1,077,160.28 = 440,996.67/x
  3. Step 3: Cross multiply
    780,535.71x = 1,077,160.28 × 440,996.67
  4. Step 4: Simplify right side
    780,535.71x = 475,024,094,331.28
  5. Step 5: Solve for x
    x = 475,024,094,331.28/780,535.71
  6. Step 6: Final answer
    x = 608,587.27

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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.