Finding the Fourth Proportional to 930,219.68, 1,283,686.80 and 522,324.74
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Solution
The fourth proportional to 930,219.68, 1,283,686.80 and 522,324.74 is: 720,798.96
Step by Step Solution
- Step 1: Write the proportion equation
930,219.68 : 1,283,686.80 = 522,324.74 : x - Step 2: Convert to fraction form
930,219.68/1,283,686.80 = 522,324.74/x - Step 3: Cross multiply
930,219.68x = 1,283,686.80 × 522,324.74 - Step 4: Simplify right side
930,219.68x = 670,501,374,051.43 - Step 5: Solve for x
x = 670,501,374,051.43/930,219.68 - Step 6: Final answer
x = 720,798.96
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1.5x scale
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.