Finding the Fourth Proportional to 565,960.08, 781,012.08 and 311,305.80
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Solution
The fourth proportional to 565,960.08, 781,012.08 and 311,305.80 is: 429,594.95
Step by Step Solution
- Step 1: Write the proportion equation
565,960.08 : 781,012.08 = 311,305.80 : x - Step 2: Convert to fraction form
565,960.08/781,012.08 = 311,305.80/x - Step 3: Cross multiply
565,960.08x = 781,012.08 × 311,305.80 - Step 4: Simplify right side
565,960.08x = 243,133,590,374.06 - Step 5: Solve for x
x = 243,133,590,374.06/565,960.08 - Step 6: Final answer
x = 429,594.95
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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.