Finding the Fourth Proportional to 989,642.08, 1,364,804.36 and 837,000.32
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Solution
The fourth proportional to 989,642.08, 1,364,804.36 and 837,000.32 is: 1,154,297.81
Step by Step Solution
- Step 1: Write the proportion equation
989,642.08 : 1,364,804.36 = 837,000.32 : x - Step 2: Convert to fraction form
989,642.08/1,364,804.36 = 837,000.32/x - Step 3: Cross multiply
989,642.08x = 1,364,804.36 × 837,000.32 - Step 4: Simplify right side
989,642.08x = 1,142,341,686,057.40 - Step 5: Solve for x
x = 1,142,341,686,057.40/989,642.08 - Step 6: Final answer
x = 1,154,297.81
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.