Finding the Fourth Proportional to 530,469.14, 732,056.74 and 288,758.66
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Solution
The fourth proportional to 530,469.14, 732,056.74 and 288,758.66 is: 398,492.02
Step by Step Solution
- Step 1: Write the proportion equation
530,469.14 : 732,056.74 = 288,758.66 : x - Step 2: Convert to fraction form
530,469.14/732,056.74 = 288,758.66/x - Step 3: Cross multiply
530,469.14x = 732,056.74 × 288,758.66 - Step 4: Simplify right side
530,469.14x = 211,387,718,904.19 - Step 5: Solve for x
x = 211,387,718,904.19/530,469.14 - Step 6: Final answer
x = 398,492.02
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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.