Finding the Fourth Proportional to 508,620.05, 702,478.20 and 334,966.53
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Solution
The fourth proportional to 508,620.05, 702,478.20 and 334,966.53 is: 462,637.45
Step by Step Solution
- Step 1: Write the proportion equation
508,620.05 : 702,478.20 = 334,966.53 : x - Step 2: Convert to fraction form
508,620.05/702,478.20 = 334,966.53/x - Step 3: Cross multiply
508,620.05x = 702,478.20 × 334,966.53 - Step 4: Simplify right side
508,620.05x = 235,306,681,542.26 - Step 5: Solve for x
x = 235,306,681,542.26/508,620.05 - Step 6: Final answer
x = 462,637.45
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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.