Finding the Fourth Proportional to 470,894.10, 706,341.15 and 292,823.70
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Solution
The fourth proportional to 470,894.10, 706,341.15 and 292,823.70 is: 439,235.55
Step by Step Solution
- Step 1: Write the proportion equation
470,894.10 : 706,341.15 = 292,823.70 : x - Step 2: Convert to fraction form
470,894.10/706,341.15 = 292,823.70/x - Step 3: Cross multiply
470,894.10x = 706,341.15 × 292,823.70 - Step 4: Simplify right side
470,894.10x = 206,833,429,005.26 - Step 5: Solve for x
x = 206,833,429,005.26/470,894.10 - Step 6: Final answer
x = 439,235.55
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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.