Finding the Fourth Proportional to 858,490.47, 1,184,730.74 and 471,341.58
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Solution
The fourth proportional to 858,490.47, 1,184,730.74 and 471,341.58 is: 650,459.00
Step by Step Solution
- Step 1: Write the proportion equation
858,490.47 : 1,184,730.74 = 471,341.58 : x - Step 2: Convert to fraction form
858,490.47/1,184,730.74 = 471,341.58/x - Step 3: Cross multiply
858,490.47x = 1,184,730.74 × 471,341.58 - Step 4: Simplify right side
858,490.47x = 558,412,856,509.46 - Step 5: Solve for x
x = 558,412,856,509.46/858,490.47 - Step 6: Final answer
x = 650,459.00
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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.