Finding the Fourth Proportional to 818,216.58, 1,128,948.66 and 495,856.02
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Solution
The fourth proportional to 818,216.58, 1,128,948.66 and 495,856.02 is: 684,166.03
Step by Step Solution
- Step 1: Write the proportion equation
818,216.58 : 1,128,948.66 = 495,856.02 : x - Step 2: Convert to fraction form
818,216.58/1,128,948.66 = 495,856.02/x - Step 3: Cross multiply
818,216.58x = 1,128,948.66 × 495,856.02 - Step 4: Simplify right side
818,216.58x = 559,795,989,331.93 - Step 5: Solve for x
x = 559,795,989,331.93/818,216.58 - Step 6: Final answer
x = 684,166.03
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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.