Home / 850,848.64-1,174,178.88-468,889.12

Finding the Fourth Proportional to 850,848.64, 1,174,178.88 and 468,889.12

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Solution

The fourth proportional to 850,848.64, 1,174,178.88 and 468,889.12 is: 647,071.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,848.64 : 1,174,178.88 = 468,889.12 : x
  2. Step 2: Convert to fraction form
    850,848.64/1,174,178.88 = 468,889.12/x
  3. Step 3: Cross multiply
    850,848.64x = 1,174,178.88 × 468,889.12
  4. Step 4: Simplify right side
    850,848.64x = 550,559,701,765.79
  5. Step 5: Solve for x
    x = 550,559,701,765.79/850,848.64
  6. Step 6: Final answer
    x = 647,071.26

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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.