Home / 788,661.69-1,182,518.70-308,317.39

Finding the Fourth Proportional to 788,661.69, 1,182,518.70 and 308,317.39

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Solution

The fourth proportional to 788,661.69, 1,182,518.70 and 308,317.39 is: 462,290.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,661.69 : 1,182,518.70 = 308,317.39 : x
  2. Step 2: Convert to fraction form
    788,661.69/1,182,518.70 = 308,317.39/x
  3. Step 3: Cross multiply
    788,661.69x = 1,182,518.70 × 308,317.39
  4. Step 4: Simplify right side
    788,661.69x = 364,591,075,097.71
  5. Step 5: Solve for x
    x = 364,591,075,097.71/788,661.69
  6. Step 6: Final answer
    x = 462,290.84

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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.