Home / 723,326.45-1,085,034.72-190,848.03

Finding the Fourth Proportional to 723,326.45, 1,085,034.72 and 190,848.03

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Solution

The fourth proportional to 723,326.45, 1,085,034.72 and 190,848.03 is: 286,283.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,326.45 : 1,085,034.72 = 190,848.03 : x
  2. Step 2: Convert to fraction form
    723,326.45/1,085,034.72 = 190,848.03/x
  3. Step 3: Cross multiply
    723,326.45x = 1,085,034.72 × 190,848.03
  4. Step 4: Simplify right side
    723,326.45x = 207,076,738,793.60
  5. Step 5: Solve for x
    x = 207,076,738,793.60/723,326.45
  6. Step 6: Final answer
    x = 286,283.93

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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.