Finding the Fourth Proportional to 838,352.04, 1,156,746.42 and 498,753.96
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Solution
The fourth proportional to 838,352.04, 1,156,746.42 and 498,753.96 is: 688,173.74
Step by Step Solution
- Step 1: Write the proportion equation
838,352.04 : 1,156,746.42 = 498,753.96 : x - Step 2: Convert to fraction form
838,352.04/1,156,746.42 = 498,753.96/x - Step 3: Cross multiply
838,352.04x = 1,156,746.42 × 498,753.96 - Step 4: Simplify right side
838,352.04x = 576,931,857,690.82 - Step 5: Solve for x
x = 576,931,857,690.82/838,352.04 - Step 6: Final answer
x = 688,173.74
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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.