Finding the Fourth Proportional to 977,102.60, 1,465,799.70 and 345,966.80
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Solution
The fourth proportional to 977,102.60, 1,465,799.70 and 345,966.80 is: 519,001.82
Step by Step Solution
- Step 1: Write the proportion equation
977,102.60 : 1,465,799.70 = 345,966.80 : x - Step 2: Convert to fraction form
977,102.60/1,465,799.70 = 345,966.80/x - Step 3: Cross multiply
977,102.60x = 1,465,799.70 × 345,966.80 - Step 4: Simplify right side
977,102.60x = 507,118,031,649.96 - Step 5: Solve for x
x = 507,118,031,649.96/977,102.60 - Step 6: Final answer
x = 519,001.82
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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.