Finding the Fourth Proportional to 571,287.68, 788,345.68 and 316,623.68
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Solution
The fourth proportional to 571,287.68, 788,345.68 and 316,623.68 is: 436,923.32
Step by Step Solution
- Step 1: Write the proportion equation
571,287.68 : 788,345.68 = 316,623.68 : x - Step 2: Convert to fraction form
571,287.68/788,345.68 = 316,623.68/x - Step 3: Cross multiply
571,287.68x = 788,345.68 × 316,623.68 - Step 4: Simplify right side
571,287.68x = 249,608,910,313.70 - Step 5: Solve for x
x = 249,608,910,313.70/571,287.68 - Step 6: Final answer
x = 436,923.32
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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.