Finding the Fourth Proportional to 526,402.80, 788,437.80 and 433,090.80
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Solution
The fourth proportional to 526,402.80, 788,437.80 and 433,090.80 is: 648,676.56
Step by Step Solution
- Step 1: Write the proportion equation
526,402.80 : 788,437.80 = 433,090.80 : x - Step 2: Convert to fraction form
526,402.80/788,437.80 = 433,090.80/x - Step 3: Cross multiply
526,402.80x = 788,437.80 × 433,090.80 - Step 4: Simplify right side
526,402.80x = 341,465,157,552.24 - Step 5: Solve for x
x = 341,465,157,552.24/526,402.80 - Step 6: Final answer
x = 648,676.56
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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.