Finding the Fourth Proportional to 472,368.48, 708,423.12 and 282,679.62
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Solution
The fourth proportional to 472,368.48, 708,423.12 and 282,679.62 is: 423,941.87
Step by Step Solution
- Step 1: Write the proportion equation
472,368.48 : 708,423.12 = 282,679.62 : x - Step 2: Convert to fraction form
472,368.48/708,423.12 = 282,679.62/x - Step 3: Cross multiply
472,368.48x = 708,423.12 × 282,679.62 - Step 4: Simplify right side
472,368.48x = 200,256,778,360.81 - Step 5: Solve for x
x = 200,256,778,360.81/472,368.48 - Step 6: Final answer
x = 423,941.87
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.