Finding the Fourth Proportional to 473,141.80, 709,712.70 and 449,813.80
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Solution
The fourth proportional to 473,141.80, 709,712.70 and 449,813.80 is: 674,720.70
Step by Step Solution
- Step 1: Write the proportion equation
473,141.80 : 709,712.70 = 449,813.80 : x - Step 2: Convert to fraction form
473,141.80/709,712.70 = 449,813.80/x - Step 3: Cross multiply
473,141.80x = 709,712.70 × 449,813.80 - Step 4: Simplify right side
473,141.80x = 319,238,566,495.26 - Step 5: Solve for x
x = 319,238,566,495.26/473,141.80 - Step 6: Final answer
x = 674,720.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.