Finding the Fourth Proportional to 554,970.96, 830,051.25 and 326,722.65
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Solution
The fourth proportional to 554,970.96, 830,051.25 and 326,722.65 is: 488,667.99
Step by Step Solution
- Step 1: Write the proportion equation
554,970.96 : 830,051.25 = 326,722.65 : x - Step 2: Convert to fraction form
554,970.96/830,051.25 = 326,722.65/x - Step 3: Cross multiply
554,970.96x = 830,051.25 × 326,722.65 - Step 4: Simplify right side
554,970.96x = 271,196,544,035.81 - Step 5: Solve for x
x = 271,196,544,035.81/554,970.96 - Step 6: Final answer
x = 488,667.99
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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.