Finding the Fourth Proportional to 524,795.60, 724,207.56 and 286,331.60
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Solution
The fourth proportional to 524,795.60, 724,207.56 and 286,331.60 is: 395,131.95
Step by Step Solution
- Step 1: Write the proportion equation
524,795.60 : 724,207.56 = 286,331.60 : x - Step 2: Convert to fraction form
524,795.60/724,207.56 = 286,331.60/x - Step 3: Cross multiply
524,795.60x = 724,207.56 × 286,331.60 - Step 4: Simplify right side
524,795.60x = 207,363,509,386.90 - Step 5: Solve for x
x = 207,363,509,386.90/524,795.60 - Step 6: Final answer
x = 395,131.95
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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.