Finding the Fourth Proportional to 818,637.30, 1,129,750.74 and 474,484.50
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Solution
The fourth proportional to 818,637.30, 1,129,750.74 and 474,484.50 is: 654,806.73
Step by Step Solution
- Step 1: Write the proportion equation
818,637.30 : 1,129,750.74 = 474,484.50 : x - Step 2: Convert to fraction form
818,637.30/1,129,750.74 = 474,484.50/x - Step 3: Cross multiply
818,637.30x = 1,129,750.74 × 474,484.50 - Step 4: Simplify right side
818,637.30x = 536,049,214,993.53 - Step 5: Solve for x
x = 536,049,214,993.53/818,637.30 - Step 6: Final answer
x = 654,806.73
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.