Finding the Fourth Proportional to 970,219.71, 1,455,531.17 and 409,259.07
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Solution
The fourth proportional to 970,219.71, 1,455,531.17 and 409,259.07 is: 613,973.64
Step by Step Solution
- Step 1: Write the proportion equation
970,219.71 : 1,455,531.17 = 409,259.07 : x - Step 2: Convert to fraction form
970,219.71/1,455,531.17 = 409,259.07/x - Step 3: Cross multiply
970,219.71x = 1,455,531.17 × 409,259.07 - Step 4: Simplify right side
970,219.71x = 595,689,330,943.92 - Step 5: Solve for x
x = 595,689,330,943.92/970,219.71 - Step 6: Final answer
x = 613,973.64
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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.