Home / 936,347.69-1,291,749.71-548,967.12

Finding the Fourth Proportional to 936,347.69, 1,291,749.71 and 548,967.12

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Solution

The fourth proportional to 936,347.69, 1,291,749.71 and 548,967.12 is: 757,334.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,347.69 : 1,291,749.71 = 548,967.12 : x
  2. Step 2: Convert to fraction form
    936,347.69/1,291,749.71 = 548,967.12/x
  3. Step 3: Cross multiply
    936,347.69x = 1,291,749.71 × 548,967.12
  4. Step 4: Simplify right side
    936,347.69x = 709,128,115,314.70
  5. Step 5: Solve for x
    x = 709,128,115,314.70/936,347.69
  6. Step 6: Final answer
    x = 757,334.19

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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.