Home / 753,889.10-1,130,973.75-248,485.55

Finding the Fourth Proportional to 753,889.10, 1,130,973.75 and 248,485.55

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Solution

The fourth proportional to 753,889.10, 1,130,973.75 and 248,485.55 is: 372,774.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,889.10 : 1,130,973.75 = 248,485.55 : x
  2. Step 2: Convert to fraction form
    753,889.10/1,130,973.75 = 248,485.55/x
  3. Step 3: Cross multiply
    753,889.10x = 1,130,973.75 × 248,485.55
  4. Step 4: Simplify right side
    753,889.10x = 281,030,634,304.31
  5. Step 5: Solve for x
    x = 281,030,634,304.31/753,889.10
  6. Step 6: Final answer
    x = 372,774.50

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Double scale
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Similar ratio
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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.