Finding the Fourth Proportional to 847,277.78, 1,169,239.10 and 460,089.75
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Solution
The fourth proportional to 847,277.78, 1,169,239.10 and 460,089.75 is: 634,921.55
Step by Step Solution
- Step 1: Write the proportion equation
847,277.78 : 1,169,239.10 = 460,089.75 : x - Step 2: Convert to fraction form
847,277.78/1,169,239.10 = 460,089.75/x - Step 3: Cross multiply
847,277.78x = 1,169,239.10 × 460,089.75 - Step 4: Simplify right side
847,277.78x = 537,954,925,209.23 - Step 5: Solve for x
x = 537,954,925,209.23/847,277.78 - Step 6: Final answer
x = 634,921.55
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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.