Finding the Fourth Proportional to 754,263.08, 1,130,647.29 and 354,187.68
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Solution
The fourth proportional to 754,263.08, 1,130,647.29 and 354,187.68 is: 530,930.59
Step by Step Solution
- Step 1: Write the proportion equation
754,263.08 : 1,130,647.29 = 354,187.68 : x - Step 2: Convert to fraction form
754,263.08/1,130,647.29 = 354,187.68/x - Step 3: Cross multiply
754,263.08x = 1,130,647.29 × 354,187.68 - Step 4: Simplify right side
754,263.08x = 400,461,340,543.39 - Step 5: Solve for x
x = 400,461,340,543.39/754,263.08 - Step 6: Final answer
x = 530,930.59
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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.