Home / 777,848.40-1,166,772.60-512,427.60

Finding the Fourth Proportional to 777,848.40, 1,166,772.60 and 512,427.60

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Solution

The fourth proportional to 777,848.40, 1,166,772.60 and 512,427.60 is: 768,641.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,848.40 : 1,166,772.60 = 512,427.60 : x
  2. Step 2: Convert to fraction form
    777,848.40/1,166,772.60 = 512,427.60/x
  3. Step 3: Cross multiply
    777,848.40x = 1,166,772.60 × 512,427.60
  4. Step 4: Simplify right side
    777,848.40x = 597,886,483,163.76
  5. Step 5: Solve for x
    x = 597,886,483,163.76/777,848.40
  6. Step 6: Final answer
    x = 768,641.40

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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.