Finding the Fourth Proportional to 857,460.24, 1,183,366.08 and 475,610.40
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Solution
The fourth proportional to 857,460.24, 1,183,366.08 and 475,610.40 is: 656,381.71
Step by Step Solution
- Step 1: Write the proportion equation
857,460.24 : 1,183,366.08 = 475,610.40 : x - Step 2: Convert to fraction form
857,460.24/1,183,366.08 = 475,610.40/x - Step 3: Cross multiply
857,460.24x = 1,183,366.08 × 475,610.40 - Step 4: Simplify right side
857,460.24x = 562,821,214,655.23 - Step 5: Solve for x
x = 562,821,214,655.23/857,460.24 - Step 6: Final answer
x = 656,381.71
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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.