Finding the Fourth Proportional to 713,865.81, 1,070,683.83 and 208,308.09
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Solution
The fourth proportional to 713,865.81, 1,070,683.83 and 208,308.09 is: 312,428.61
Step by Step Solution
- Step 1: Write the proportion equation
713,865.81 : 1,070,683.83 = 208,308.09 : x - Step 2: Convert to fraction form
713,865.81/1,070,683.83 = 208,308.09/x - Step 3: Cross multiply
713,865.81x = 1,070,683.83 × 208,308.09 - Step 4: Simplify right side
713,865.81x = 223,032,103,621.19 - Step 5: Solve for x
x = 223,032,103,621.19/713,865.81 - Step 6: Final answer
x = 312,428.61
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.