Finding the Fourth Proportional to 818,522.42, 1,129,572.95 and 474,383.79
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Solution
The fourth proportional to 818,522.42, 1,129,572.95 and 474,383.79 is: 654,656.59
Step by Step Solution
- Step 1: Write the proportion equation
818,522.42 : 1,129,572.95 = 474,383.79 : x - Step 2: Convert to fraction form
818,522.42/1,129,572.95 = 474,383.79/x - Step 3: Cross multiply
818,522.42x = 1,129,572.95 × 474,383.79 - Step 4: Simplify right side
818,522.42x = 535,851,094,730.56 - Step 5: Solve for x
x = 535,851,094,730.56/818,522.42 - Step 6: Final answer
x = 654,656.59
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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.