Finding the Fourth Proportional to 571,583.80, 788,771.82 and 316,937.08
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Solution
The fourth proportional to 571,583.80, 788,771.82 and 316,937.08 is: 437,365.51
Step by Step Solution
- Step 1: Write the proportion equation
571,583.80 : 788,771.82 = 316,937.08 : x - Step 2: Convert to fraction form
571,583.80/788,771.82 = 316,937.08/x - Step 3: Cross multiply
571,583.80x = 788,771.82 × 316,937.08 - Step 4: Simplify right side
571,583.80x = 249,991,037,417.09 - Step 5: Solve for x
x = 249,991,037,417.09/571,583.80 - Step 6: Final answer
x = 437,365.51
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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.