Finding the Fourth Proportional to 939,536.76, 1,409,128.02 and 265,612.71
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Solution
The fourth proportional to 939,536.76, 1,409,128.02 and 265,612.71 is: 398,368.99
Step by Step Solution
- Step 1: Write the proportion equation
939,536.76 : 1,409,128.02 = 265,612.71 : x - Step 2: Convert to fraction form
939,536.76/1,409,128.02 = 265,612.71/x - Step 3: Cross multiply
939,536.76x = 1,409,128.02 × 265,612.71 - Step 4: Simplify right side
939,536.76x = 374,282,312,129.13 - Step 5: Solve for x
x = 374,282,312,129.13/939,536.76 - Step 6: Final answer
x = 398,368.99
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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.