Home / 767,601.04-1,059,295.44-428,077.12

Finding the Fourth Proportional to 767,601.04, 1,059,295.44 and 428,077.12

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Solution

The fourth proportional to 767,601.04, 1,059,295.44 and 428,077.12 is: 590,749.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,601.04 : 1,059,295.44 = 428,077.12 : x
  2. Step 2: Convert to fraction form
    767,601.04/1,059,295.44 = 428,077.12/x
  3. Step 3: Cross multiply
    767,601.04x = 1,059,295.44 × 428,077.12
  4. Step 4: Simplify right side
    767,601.04x = 453,460,141,184.33
  5. Step 5: Solve for x
    x = 453,460,141,184.33/767,601.04
  6. Step 6: Final answer
    x = 590,749.77

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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.