Finding the Fourth Proportional to 713,864.81, 1,070,682.33 and 208,307.09
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Solution
The fourth proportional to 713,864.81, 1,070,682.33 and 208,307.09 is: 312,427.12
Step by Step Solution
- Step 1: Write the proportion equation
713,864.81 : 1,070,682.33 = 208,307.09 : x - Step 2: Convert to fraction form
713,864.81/1,070,682.33 = 208,307.09/x - Step 3: Cross multiply
713,864.81x = 1,070,682.33 × 208,307.09 - Step 4: Simplify right side
713,864.81x = 223,030,723,934.58 - Step 5: Solve for x
x = 223,030,723,934.58/713,864.81 - Step 6: Final answer
x = 312,427.12
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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.