Finding the Fourth Proportional to 432,992.19, 646,317.57 and 381,860.67
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Solution
The fourth proportional to 432,992.19, 646,317.57 and 381,860.67 is: 569,994.72
Step by Step Solution
- Step 1: Write the proportion equation
432,992.19 : 646,317.57 = 381,860.67 : x - Step 2: Convert to fraction form
432,992.19/646,317.57 = 381,860.67/x - Step 3: Cross multiply
432,992.19x = 646,317.57 × 381,860.67 - Step 4: Simplify right side
432,992.19x = 246,803,260,312.97 - Step 5: Solve for x
x = 246,803,260,312.97/432,992.19 - Step 6: Final answer
x = 569,994.72
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.