Finding the Fourth Proportional to 742,295.79, 1,112,451.05 and 386,562.99
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Solution
The fourth proportional to 742,295.79, 1,112,451.05 and 386,562.99 is: 579,327.55
Step by Step Solution
- Step 1: Write the proportion equation
742,295.79 : 1,112,451.05 = 386,562.99 : x - Step 2: Convert to fraction form
742,295.79/1,112,451.05 = 386,562.99/x - Step 3: Cross multiply
742,295.79x = 1,112,451.05 × 386,562.99 - Step 4: Simplify right side
742,295.79x = 430,032,402,183.83 - Step 5: Solve for x
x = 430,032,402,183.83/742,295.79 - Step 6: Final answer
x = 579,327.55
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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.