Home / 788,429.60-1,181,283.60-366,840.80

Finding the Fourth Proportional to 788,429.60, 1,181,283.60 and 366,840.80

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Solution

The fourth proportional to 788,429.60, 1,181,283.60 and 366,840.80 is: 549,628.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,429.60 : 1,181,283.60 = 366,840.80 : x
  2. Step 2: Convert to fraction form
    788,429.60/1,181,283.60 = 366,840.80/x
  3. Step 3: Cross multiply
    788,429.60x = 1,181,283.60 × 366,840.80
  4. Step 4: Simplify right side
    788,429.60x = 433,343,020,850.88
  5. Step 5: Solve for x
    x = 433,343,020,850.88/788,429.60
  6. Step 6: Final answer
    x = 549,628.05

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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.