Finding the Fourth Proportional to 877,585.92, 1,211,069.44 and 475,176.96
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Solution
The fourth proportional to 877,585.92, 1,211,069.44 and 475,176.96 is: 655,744.68
Step by Step Solution
- Step 1: Write the proportion equation
877,585.92 : 1,211,069.44 = 475,176.96 : x - Step 2: Convert to fraction form
877,585.92/1,211,069.44 = 475,176.96/x - Step 3: Cross multiply
877,585.92x = 1,211,069.44 × 475,176.96 - Step 4: Simplify right side
877,585.92x = 575,472,294,848.10 - Step 5: Solve for x
x = 575,472,294,848.10/877,585.92 - Step 6: Final answer
x = 655,744.68
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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.