Finding the Fourth Proportional to 893,289.68, 1,232,747.55 and 485,391.53
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Solution
The fourth proportional to 893,289.68, 1,232,747.55 and 485,391.53 is: 669,844.55
Step by Step Solution
- Step 1: Write the proportion equation
893,289.68 : 1,232,747.55 = 485,391.53 : x - Step 2: Convert to fraction form
893,289.68/1,232,747.55 = 485,391.53/x - Step 3: Cross multiply
893,289.68x = 1,232,747.55 × 485,391.53 - Step 4: Simplify right side
893,289.68x = 598,365,219,398.25 - Step 5: Solve for x
x = 598,365,219,398.25/893,289.68 - Step 6: Final answer
x = 669,844.55
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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.