Finding the Fourth Proportional to 989,531.52, 1,484,293.59 and 358,297.68
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Solution
The fourth proportional to 989,531.52, 1,484,293.59 and 358,297.68 is: 537,445.18
Step by Step Solution
- Step 1: Write the proportion equation
989,531.52 : 1,484,293.59 = 358,297.68 : x - Step 2: Convert to fraction form
989,531.52/1,484,293.59 = 358,297.68/x - Step 3: Cross multiply
989,531.52x = 1,484,293.59 × 358,297.68 - Step 4: Simplify right side
989,531.52x = 531,818,949,735.87 - Step 5: Solve for x
x = 531,818,949,735.87/989,531.52 - Step 6: Final answer
x = 537,445.18
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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.