Finding the Fourth Proportional to 838,014.95, 1,156,486.86 and 475,454.09
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Solution
The fourth proportional to 838,014.95, 1,156,486.86 and 475,454.09 is: 656,141.52
Step by Step Solution
- Step 1: Write the proportion equation
838,014.95 : 1,156,486.86 = 475,454.09 : x - Step 2: Convert to fraction form
838,014.95/1,156,486.86 = 475,454.09/x - Step 3: Cross multiply
838,014.95x = 1,156,486.86 × 475,454.09 - Step 4: Simplify right side
838,014.95x = 549,856,401,835.82 - Step 5: Solve for x
x = 549,856,401,835.82/838,014.95 - Step 6: Final answer
x = 656,141.52
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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.