Home / 753,845.72-1,130,935.32-248,386.28

Finding the Fourth Proportional to 753,845.72, 1,130,935.32 and 248,386.28

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Solution

The fourth proportional to 753,845.72, 1,130,935.32 and 248,386.28 is: 372,634.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,845.72 : 1,130,935.32 = 248,386.28 : x
  2. Step 2: Convert to fraction form
    753,845.72/1,130,935.32 = 248,386.28/x
  3. Step 3: Cross multiply
    753,845.72x = 1,130,935.32 × 248,386.28
  4. Step 4: Simplify right side
    753,845.72x = 280,908,817,055.41
  5. Step 5: Solve for x
    x = 280,908,817,055.41/753,845.72
  6. Step 6: Final answer
    x = 372,634.36

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Double scale
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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.