Finding the Fourth Proportional to 970,748.84, 1,456,779.24 and 339,668.12
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Solution
The fourth proportional to 970,748.84, 1,456,779.24 and 339,668.12 is: 509,731.71
Step by Step Solution
- Step 1: Write the proportion equation
970,748.84 : 1,456,779.24 = 339,668.12 : x - Step 2: Convert to fraction form
970,748.84/1,456,779.24 = 339,668.12/x - Step 3: Cross multiply
970,748.84x = 1,456,779.24 × 339,668.12 - Step 4: Simplify right side
970,748.84x = 494,821,465,705.83 - Step 5: Solve for x
x = 494,821,465,705.83/970,748.84 - Step 6: Final answer
x = 509,731.71
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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.