Finding the Fourth Proportional to 569,419.16, 785,918.58 and 473,832.68
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Solution
The fourth proportional to 569,419.16, 785,918.58 and 473,832.68 is: 653,989.07
Step by Step Solution
- Step 1: Write the proportion equation
569,419.16 : 785,918.58 = 473,832.68 : x - Step 2: Convert to fraction form
569,419.16/785,918.58 = 473,832.68/x - Step 3: Cross multiply
569,419.16x = 785,918.58 × 473,832.68 - Step 4: Simplify right side
569,419.16x = 372,393,907,023.19 - Step 5: Solve for x
x = 372,393,907,023.19/569,419.16 - Step 6: Final answer
x = 653,989.07
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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.