Finding the Fourth Proportional to 577,089.12, 869,572.73 and 474,212.64
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Solution
The fourth proportional to 577,089.12, 869,572.73 and 474,212.64 is: 714,555.80
Step by Step Solution
- Step 1: Write the proportion equation
577,089.12 : 869,572.73 = 474,212.64 : x - Step 2: Convert to fraction form
577,089.12/869,572.73 = 474,212.64/x - Step 3: Cross multiply
577,089.12x = 869,572.73 × 474,212.64 - Step 4: Simplify right side
577,089.12x = 412,362,379,965.31 - Step 5: Solve for x
x = 412,362,379,965.31/577,089.12 - Step 6: Final answer
x = 714,555.80
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.