Finding the Fourth Proportional to 921,214.08, 1,381,711.68 and 322,129.44
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Solution
The fourth proportional to 921,214.08, 1,381,711.68 and 322,129.44 is: 483,155.89
Step by Step Solution
- Step 1: Write the proportion equation
921,214.08 : 1,381,711.68 = 322,129.44 : x - Step 2: Convert to fraction form
921,214.08/1,381,711.68 = 322,129.44/x - Step 3: Cross multiply
921,214.08x = 1,381,711.68 × 322,129.44 - Step 4: Simplify right side
921,214.08x = 445,090,009,719.86 - Step 5: Solve for x
x = 445,090,009,719.86/921,214.08 - Step 6: Final answer
x = 483,155.89
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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.