Finding the Fourth Proportional to 798,823.14, 1,102,384.71 and 436,257.67
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Solution
The fourth proportional to 798,823.14, 1,102,384.71 and 436,257.67 is: 602,040.38
Step by Step Solution
- Step 1: Write the proportion equation
798,823.14 : 1,102,384.71 = 436,257.67 : x - Step 2: Convert to fraction form
798,823.14/1,102,384.71 = 436,257.67/x - Step 3: Cross multiply
798,823.14x = 1,102,384.71 × 436,257.67 - Step 4: Simplify right side
798,823.14x = 480,923,788,666.67 - Step 5: Solve for x
x = 480,923,788,666.67/798,823.14 - Step 6: Final answer
x = 602,040.38
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1.5x scale
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.