Finding the Fourth Proportional to 874,986.23, 1,313,903.25 and 540,155.31
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Solution
The fourth proportional to 874,986.23, 1,313,903.25 and 540,155.31 is: 811,111.99
Step by Step Solution
- Step 1: Write the proportion equation
874,986.23 : 1,313,903.25 = 540,155.31 : x - Step 2: Convert to fraction form
874,986.23/1,313,903.25 = 540,155.31/x - Step 3: Cross multiply
874,986.23x = 1,313,903.25 × 540,155.31 - Step 4: Simplify right side
874,986.23x = 709,711,817,313.76 - Step 5: Solve for x
x = 709,711,817,313.76/874,986.23 - Step 6: Final answer
x = 811,111.99
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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.