Finding the Fourth Proportional to 413,788.68, 571,246.56 and 278,533.80
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Solution
The fourth proportional to 413,788.68, 571,246.56 and 278,533.80 is: 384,523.51
Step by Step Solution
- Step 1: Write the proportion equation
413,788.68 : 571,246.56 = 278,533.80 : x - Step 2: Convert to fraction form
413,788.68/571,246.56 = 278,533.80/x - Step 3: Cross multiply
413,788.68x = 571,246.56 × 278,533.80 - Step 4: Simplify right side
413,788.68x = 159,111,475,093.73 - Step 5: Solve for x
x = 159,111,475,093.73/413,788.68 - Step 6: Final answer
x = 384,523.51
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.