Finding the Fourth Proportional to 838,043.08, 1,156,525.68 and 475,482.20
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Solution
The fourth proportional to 838,043.08, 1,156,525.68 and 475,482.20 is: 656,180.32
Step by Step Solution
- Step 1: Write the proportion equation
838,043.08 : 1,156,525.68 = 475,482.20 : x - Step 2: Convert to fraction form
838,043.08/1,156,525.68 = 475,482.20/x - Step 3: Cross multiply
838,043.08x = 1,156,525.68 × 475,482.20 - Step 4: Simplify right side
838,043.08x = 549,907,374,682.90 - Step 5: Solve for x
x = 549,907,374,682.90/838,043.08 - Step 6: Final answer
x = 656,180.32
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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.