Finding the Fourth Proportional to 977,404.68, 1,348,816.68 and 595,431.45
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Solution
The fourth proportional to 977,404.68, 1,348,816.68 and 595,431.45 is: 821,694.32
Step by Step Solution
- Step 1: Write the proportion equation
977,404.68 : 1,348,816.68 = 595,431.45 : x - Step 2: Convert to fraction form
977,404.68/1,348,816.68 = 595,431.45/x - Step 3: Cross multiply
977,404.68x = 1,348,816.68 × 595,431.45 - Step 4: Simplify right side
977,404.68x = 803,127,871,556.59 - Step 5: Solve for x
x = 803,127,871,556.59/977,404.68 - Step 6: Final answer
x = 821,694.32
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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.