Finding the Fourth Proportional to 768,916.96, 1,061,107.68 and 429,398.08
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Solution
The fourth proportional to 768,916.96, 1,061,107.68 and 429,398.08 is: 592,570.62
Step by Step Solution
- Step 1: Write the proportion equation
768,916.96 : 1,061,107.68 = 429,398.08 : x - Step 2: Convert to fraction form
768,916.96/1,061,107.68 = 429,398.08/x - Step 3: Cross multiply
768,916.96x = 1,061,107.68 × 429,398.08 - Step 4: Simplify right side
768,916.96x = 455,637,600,465.25 - Step 5: Solve for x
x = 455,637,600,465.25/768,916.96 - Step 6: Final answer
x = 592,570.62
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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.