Finding the Fourth Proportional to 860,591.84, 1,187,645.63 and 473,423.58
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Solution
The fourth proportional to 860,591.84, 1,187,645.63 and 473,423.58 is: 653,340.43
Step by Step Solution
- Step 1: Write the proportion equation
860,591.84 : 1,187,645.63 = 473,423.58 : x - Step 2: Convert to fraction form
860,591.84/1,187,645.63 = 473,423.58/x - Step 3: Cross multiply
860,591.84x = 1,187,645.63 × 473,423.58 - Step 4: Simplify right side
860,591.84x = 562,259,443,558.84 - Step 5: Solve for x
x = 562,259,443,558.84/860,591.84 - Step 6: Final answer
x = 653,340.43
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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.