Finding the Fourth Proportional to 518,490.18, 715,110.83 and 337,259.99
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Solution
The fourth proportional to 518,490.18, 715,110.83 and 337,259.99 is: 465,154.94
Step by Step Solution
- Step 1: Write the proportion equation
518,490.18 : 715,110.83 = 337,259.99 : x - Step 2: Convert to fraction form
518,490.18/715,110.83 = 337,259.99/x - Step 3: Cross multiply
518,490.18x = 715,110.83 × 337,259.99 - Step 4: Simplify right side
518,490.18x = 241,178,268,718.40 - Step 5: Solve for x
x = 241,178,268,718.40/518,490.18 - Step 6: Final answer
x = 465,154.94
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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.