Finding the Fourth Proportional to 968,991.93, 1,337,195.79 and 539,271.93
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Solution
The fourth proportional to 968,991.93, 1,337,195.79 and 539,271.93 is: 744,187.99
Step by Step Solution
- Step 1: Write the proportion equation
968,991.93 : 1,337,195.79 = 539,271.93 : x - Step 2: Convert to fraction form
968,991.93/1,337,195.79 = 539,271.93/x - Step 3: Cross multiply
968,991.93x = 1,337,195.79 × 539,271.93 - Step 4: Simplify right side
968,991.93x = 721,112,154,461.18 - Step 5: Solve for x
x = 721,112,154,461.18/968,991.93 - Step 6: Final answer
x = 744,187.99
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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.