Finding the Fourth Proportional to 832,563.84, 1,148,955.84 and 469,918.08
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Solution
The fourth proportional to 832,563.84, 1,148,955.84 and 469,918.08 is: 648,496.96
Step by Step Solution
- Step 1: Write the proportion equation
832,563.84 : 1,148,955.84 = 469,918.08 : x - Step 2: Convert to fraction form
832,563.84/1,148,955.84 = 469,918.08/x - Step 3: Cross multiply
832,563.84x = 1,148,955.84 × 469,918.08 - Step 4: Simplify right side
832,563.84x = 539,915,122,337.59 - Step 5: Solve for x
x = 539,915,122,337.59/832,563.84 - Step 6: Final answer
x = 648,496.96
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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.