Finding the Fourth Proportional to 542,117.10, 813,175.65 and 455,511.90
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Solution
The fourth proportional to 542,117.10, 813,175.65 and 455,511.90 is: 683,267.85
Step by Step Solution
- Step 1: Write the proportion equation
542,117.10 : 813,175.65 = 455,511.90 : x - Step 2: Convert to fraction form
542,117.10/813,175.65 = 455,511.90/x - Step 3: Cross multiply
542,117.10x = 813,175.65 × 455,511.90 - Step 4: Simplify right side
542,117.10x = 370,411,185,365.24 - Step 5: Solve for x
x = 370,411,185,365.24/542,117.10 - Step 6: Final answer
x = 683,267.85
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.