Finding the Fourth Proportional to 1,065,459.48, 1,470,378.78 and 612,750.84
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Solution
The fourth proportional to 1,065,459.48, 1,470,378.78 and 612,750.84 is: 845,621.87
Step by Step Solution
- Step 1: Write the proportion equation
1,065,459.48 : 1,470,378.78 = 612,750.84 : x - Step 2: Convert to fraction form
1,065,459.48/1,470,378.78 = 612,750.84/x - Step 3: Cross multiply
1,065,459.48x = 1,470,378.78 × 612,750.84 - Step 4: Simplify right side
1,065,459.48x = 900,975,832,563.18 - Step 5: Solve for x
x = 900,975,832,563.18/1,065,459.48 - Step 6: Final answer
x = 845,621.87
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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.