Finding the Fourth Proportional to 704,448.67, 972,139.08 and 402,700.99
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Solution
The fourth proportional to 704,448.67, 972,139.08 and 402,700.99 is: 555,727.32
Step by Step Solution
- Step 1: Write the proportion equation
704,448.67 : 972,139.08 = 402,700.99 : x - Step 2: Convert to fraction form
704,448.67/972,139.08 = 402,700.99/x - Step 3: Cross multiply
704,448.67x = 972,139.08 × 402,700.99 - Step 4: Simplify right side
704,448.67x = 391,481,369,933.69 - Step 5: Solve for x
x = 391,481,369,933.69/704,448.67 - Step 6: Final answer
x = 555,727.32
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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.