Finding the Fourth Proportional to 546,943.70, 820,415.55 and 473,215.70
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Solution
The fourth proportional to 546,943.70, 820,415.55 and 473,215.70 is: 709,823.55
Step by Step Solution
- Step 1: Write the proportion equation
546,943.70 : 820,415.55 = 473,215.70 : x - Step 2: Convert to fraction form
546,943.70/820,415.55 = 473,215.70/x - Step 3: Cross multiply
546,943.70x = 820,415.55 × 473,215.70 - Step 4: Simplify right side
546,943.70x = 388,233,518,784.14 - Step 5: Solve for x
x = 388,233,518,784.14/546,943.70 - Step 6: Final answer
x = 709,823.55
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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.