Finding the Fourth Proportional to 953,128.68, 1,429,969.74 and 384,216.18
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Solution
The fourth proportional to 953,128.68, 1,429,969.74 and 384,216.18 is: 576,435.82
Step by Step Solution
- Step 1: Write the proportion equation
953,128.68 : 1,429,969.74 = 384,216.18 : x - Step 2: Convert to fraction form
953,128.68/1,429,969.74 = 384,216.18/x - Step 3: Cross multiply
953,128.68x = 1,429,969.74 × 384,216.18 - Step 4: Simplify right side
953,128.68x = 549,417,511,018.39 - Step 5: Solve for x
x = 549,417,511,018.39/953,128.68 - Step 6: Final answer
x = 576,435.82
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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.