Finding the Fourth Proportional to 647,394.79, 893,408.63 and 375,624.53
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Solution
The fourth proportional to 647,394.79, 893,408.63 and 375,624.53 is: 518,364.07
Step by Step Solution
- Step 1: Write the proportion equation
647,394.79 : 893,408.63 = 375,624.53 : x - Step 2: Convert to fraction form
647,394.79/893,408.63 = 375,624.53/x - Step 3: Cross multiply
647,394.79x = 893,408.63 × 375,624.53 - Step 4: Simplify right side
647,394.79x = 335,586,196,741.69 - Step 5: Solve for x
x = 335,586,196,741.69/647,394.79 - Step 6: Final answer
x = 518,364.07
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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.