Finding the Fourth Proportional to 660,580.63, 911,605.94 and 358,774.63
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Solution
The fourth proportional to 660,580.63, 911,605.94 and 358,774.63 is: 495,111.53
Step by Step Solution
- Step 1: Write the proportion equation
660,580.63 : 911,605.94 = 358,774.63 : x - Step 2: Convert to fraction form
660,580.63/911,605.94 = 358,774.63/x - Step 3: Cross multiply
660,580.63x = 911,605.94 × 358,774.63 - Step 4: Simplify right side
660,580.63x = 327,061,083,829.30 - Step 5: Solve for x
x = 327,061,083,829.30/660,580.63 - Step 6: Final answer
x = 495,111.53
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.