Home / 946,036.90-1,305,561.35-538,128.23

Finding the Fourth Proportional to 946,036.90, 1,305,561.35 and 538,128.23

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Solution

The fourth proportional to 946,036.90, 1,305,561.35 and 538,128.23 is: 742,634.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    946,036.90 : 1,305,561.35 = 538,128.23 : x
  2. Step 2: Convert to fraction form
    946,036.90/1,305,561.35 = 538,128.23/x
  3. Step 3: Cross multiply
    946,036.90x = 1,305,561.35 × 538,128.23
  4. Step 4: Simplify right side
    946,036.90x = 702,559,415,741.27
  5. Step 5: Solve for x
    x = 702,559,415,741.27/946,036.90
  6. Step 6: Final answer
    x = 742,634.27

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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.