Finding the Fourth Proportional to 971,688.10, 1,340,931.42 and 541,996.06
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Solution
The fourth proportional to 971,688.10, 1,340,931.42 and 541,996.06 is: 747,955.59
Step by Step Solution
- Step 1: Write the proportion equation
971,688.10 : 1,340,931.42 = 541,996.06 : x - Step 2: Convert to fraction form
971,688.10/1,340,931.42 = 541,996.06/x - Step 3: Cross multiply
971,688.10x = 1,340,931.42 × 541,996.06 - Step 4: Simplify right side
971,688.10x = 726,779,546,370.21 - Step 5: Solve for x
x = 726,779,546,370.21/971,688.10 - Step 6: Final answer
x = 747,955.59
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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.