Finding the Fourth Proportional to 740,381.84, 1,110,432.72 and 360,921.68
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Solution
The fourth proportional to 740,381.84, 1,110,432.72 and 360,921.68 is: 541,314.25
Step by Step Solution
- Step 1: Write the proportion equation
740,381.84 : 1,110,432.72 = 360,921.68 : x - Step 2: Convert to fraction form
740,381.84/1,110,432.72 = 360,921.68/x - Step 3: Cross multiply
740,381.84x = 1,110,432.72 × 360,921.68 - Step 4: Simplify right side
740,381.84x = 400,779,242,829.37 - Step 5: Solve for x
x = 400,779,242,829.37/740,381.84 - Step 6: Final answer
x = 541,314.25
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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.