Finding the Fourth Proportional to 917,180.55, 1,376,306.64 and 384,656.99
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Solution
The fourth proportional to 917,180.55, 1,376,306.64 and 384,656.99 is: 577,210.19
Step by Step Solution
- Step 1: Write the proportion equation
917,180.55 : 1,376,306.64 = 384,656.99 : x - Step 2: Convert to fraction form
917,180.55/1,376,306.64 = 384,656.99/x - Step 3: Cross multiply
917,180.55x = 1,376,306.64 × 384,656.99 - Step 4: Simplify right side
917,180.55x = 529,405,962,577.88 - Step 5: Solve for x
x = 529,405,962,577.88/917,180.55 - Step 6: Final answer
x = 577,210.19
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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.