Home / 776,246.71-1,164,001.38-270,746.32

Finding the Fourth Proportional to 776,246.71, 1,164,001.38 and 270,746.32

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Solution

The fourth proportional to 776,246.71, 1,164,001.38 and 270,746.32 is: 405,990.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,246.71 : 1,164,001.38 = 270,746.32 : x
  2. Step 2: Convert to fraction form
    776,246.71/1,164,001.38 = 270,746.32/x
  3. Step 3: Cross multiply
    776,246.71x = 1,164,001.38 × 270,746.32
  4. Step 4: Simplify right side
    776,246.71x = 315,149,090,109.92
  5. Step 5: Solve for x
    x = 315,149,090,109.92/776,246.71
  6. Step 6: Final answer
    x = 405,990.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.