Finding the Fourth Proportional to 709,294.24, 978,971.74 and 433,699.21
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Solution
The fourth proportional to 709,294.24, 978,971.74 and 433,699.21 is: 598,593.99
Step by Step Solution
- Step 1: Write the proportion equation
709,294.24 : 978,971.74 = 433,699.21 : x - Step 2: Convert to fraction form
709,294.24/978,971.74 = 433,699.21/x - Step 3: Cross multiply
709,294.24x = 978,971.74 × 433,699.21 - Step 4: Simplify right side
709,294.24x = 424,579,266,718.65 - Step 5: Solve for x
x = 424,579,266,718.65/709,294.24 - Step 6: Final answer
x = 598,593.99
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.