Finding the Fourth Proportional to 660,617.44, 911,652.98 and 358,811.44
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Solution
The fourth proportional to 660,617.44, 911,652.98 and 358,811.44 is: 495,160.28
Step by Step Solution
- Step 1: Write the proportion equation
660,617.44 : 911,652.98 = 358,811.44 : x - Step 2: Convert to fraction form
660,617.44/911,652.98 = 358,811.44/x - Step 3: Cross multiply
660,617.44x = 911,652.98 × 358,811.44 - Step 4: Simplify right side
660,617.44x = 327,111,514,460.90 - Step 5: Solve for x
x = 327,111,514,460.90/660,617.44 - Step 6: Final answer
x = 495,160.28
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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.