Finding the Fourth Proportional to 740,373.84, 1,110,420.72 and 360,913.68
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Solution
The fourth proportional to 740,373.84, 1,110,420.72 and 360,913.68 is: 541,302.25
Step by Step Solution
- Step 1: Write the proportion equation
740,373.84 : 1,110,420.72 = 360,913.68 : x - Step 2: Convert to fraction form
740,373.84/1,110,420.72 = 360,913.68/x - Step 3: Cross multiply
740,373.84x = 1,110,420.72 × 360,913.68 - Step 4: Simplify right side
740,373.84x = 400,766,028,403.45 - Step 5: Solve for x
x = 400,766,028,403.45/740,373.84 - Step 6: Final answer
x = 541,302.25
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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.