Finding the Fourth Proportional to 532,155.76, 797,809.80 and 307,261.09
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Solution
The fourth proportional to 532,155.76, 797,809.80 and 307,261.09 is: 460,646.91
Step by Step Solution
- Step 1: Write the proportion equation
532,155.76 : 797,809.80 = 307,261.09 : x - Step 2: Convert to fraction form
532,155.76/797,809.80 = 307,261.09/x - Step 3: Cross multiply
532,155.76x = 797,809.80 × 307,261.09 - Step 4: Simplify right side
532,155.76x = 245,135,908,760.68 - Step 5: Solve for x
x = 245,135,908,760.68/532,155.76 - Step 6: Final answer
x = 460,646.91
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.