Finding the Fourth Proportional to 860,595.03, 1,187,643.87 and 473,420.70
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Solution
The fourth proportional to 860,595.03, 1,187,643.87 and 473,420.70 is: 653,333.07
Step by Step Solution
- Step 1: Write the proportion equation
860,595.03 : 1,187,643.87 = 473,420.70 : x - Step 2: Convert to fraction form
860,595.03/1,187,643.87 = 473,420.70/x - Step 3: Cross multiply
860,595.03x = 1,187,643.87 × 473,420.70 - Step 4: Simplify right side
860,595.03x = 562,255,192,286.11 - Step 5: Solve for x
x = 562,255,192,286.11/860,595.03 - Step 6: Final answer
x = 653,333.07
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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.