Finding the Fourth Proportional to 817,483.99, 1,224,453.70 and 395,875.75
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Solution
The fourth proportional to 817,483.99, 1,224,453.70 and 395,875.75 is: 592,955.38
Step by Step Solution
- Step 1: Write the proportion equation
817,483.99 : 1,224,453.70 = 395,875.75 : x - Step 2: Convert to fraction form
817,483.99/1,224,453.70 = 395,875.75/x - Step 3: Cross multiply
817,483.99x = 1,224,453.70 × 395,875.75 - Step 4: Simplify right side
817,483.99x = 484,731,526,827.78 - Step 5: Solve for x
x = 484,731,526,827.78/817,483.99 - Step 6: Final answer
x = 592,955.38
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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.