Finding the Fourth Proportional to 514,258.44, 709,017.18 and 399,342.12
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Solution
The fourth proportional to 514,258.44, 709,017.18 and 399,342.12 is: 550,580.02
Step by Step Solution
- Step 1: Write the proportion equation
514,258.44 : 709,017.18 = 399,342.12 : x - Step 2: Convert to fraction form
514,258.44/709,017.18 = 399,342.12/x - Step 3: Cross multiply
514,258.44x = 709,017.18 × 399,342.12 - Step 4: Simplify right side
514,258.44x = 283,140,423,777.62 - Step 5: Solve for x
x = 283,140,423,777.62/514,258.44 - Step 6: Final answer
x = 550,580.02
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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.