Finding the Fourth Proportional to 566,506.46, 781,778.98 and 311,857.68
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Solution
The fourth proportional to 566,506.46, 781,778.98 and 311,857.68 is: 430,363.63
Step by Step Solution
- Step 1: Write the proportion equation
566,506.46 : 781,778.98 = 311,857.68 : x - Step 2: Convert to fraction form
566,506.46/781,778.98 = 311,857.68/x - Step 3: Cross multiply
566,506.46x = 781,778.98 × 311,857.68 - Step 4: Simplify right side
566,506.46x = 243,803,778,975.57 - Step 5: Solve for x
x = 243,803,778,975.57/566,506.46 - Step 6: Final answer
x = 430,363.63
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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.