Finding the Fourth Proportional to 909,433.68, 1,363,775.20 and 310,443.14
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Solution
The fourth proportional to 909,433.68, 1,363,775.20 and 310,443.14 is: 465,536.59
Step by Step Solution
- Step 1: Write the proportion equation
909,433.68 : 1,363,775.20 = 310,443.14 : x - Step 2: Convert to fraction form
909,433.68/1,363,775.20 = 310,443.14/x - Step 3: Cross multiply
909,433.68x = 1,363,775.20 × 310,443.14 - Step 4: Simplify right side
909,433.68x = 423,374,655,342.13 - Step 5: Solve for x
x = 423,374,655,342.13/909,433.68 - Step 6: Final answer
x = 465,536.59
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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.