Finding the Fourth Proportional to 788,224.55, 1,087,337.46 and 497,730.81
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Solution
The fourth proportional to 788,224.55, 1,087,337.46 and 497,730.81 is: 686,608.10
Step by Step Solution
- Step 1: Write the proportion equation
788,224.55 : 1,087,337.46 = 497,730.81 : x - Step 2: Convert to fraction form
788,224.55/1,087,337.46 = 497,730.81/x - Step 3: Cross multiply
788,224.55x = 1,087,337.46 × 497,730.81 - Step 4: Simplify right side
788,224.55x = 541,201,354,709.14 - Step 5: Solve for x
x = 541,201,354,709.14/788,224.55 - Step 6: Final answer
x = 686,608.10
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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.