Home / 936,227.06-1,291,990-506,507.30

Finding the Fourth Proportional to 936,227.06, 1,291,990 and 506,507.30

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Solution

The fourth proportional to 936,227.06, 1,291,990 and 506,507.30 is: 698,978.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,227.06 : 1,291,990 = 506,507.30 : x
  2. Step 2: Convert to fraction form
    936,227.06/1,291,990 = 506,507.30/x
  3. Step 3: Cross multiply
    936,227.06x = 1,291,990 × 506,507.30
  4. Step 4: Simplify right side
    936,227.06x = 654,402,366,527
  5. Step 5: Solve for x
    x = 654,402,366,527/936,227.06
  6. Step 6: Final answer
    x = 698,978.27

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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.