Finding the Fourth Proportional to 530,466.51, 732,060.29 and 288,765.19
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Solution
The fourth proportional to 530,466.51, 732,060.29 and 288,765.19 is: 398,504.95
Step by Step Solution
- Step 1: Write the proportion equation
530,466.51 : 732,060.29 = 288,765.19 : x - Step 2: Convert to fraction form
530,466.51/732,060.29 = 288,765.19/x - Step 3: Cross multiply
530,466.51x = 732,060.29 × 288,765.19 - Step 4: Simplify right side
530,466.51x = 211,393,528,733.31 - Step 5: Solve for x
x = 211,393,528,733.31/530,466.51 - Step 6: Final answer
x = 398,504.95
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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.