Finding the Fourth Proportional to 860,854.91, 1,188,109.68 and 498,515.48
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Solution
The fourth proportional to 860,854.91, 1,188,109.68 and 498,515.48 is: 688,026.60
Step by Step Solution
- Step 1: Write the proportion equation
860,854.91 : 1,188,109.68 = 498,515.48 : x - Step 2: Convert to fraction form
860,854.91/1,188,109.68 = 498,515.48/x - Step 3: Cross multiply
860,854.91x = 1,188,109.68 × 498,515.48 - Step 4: Simplify right side
860,854.91x = 592,291,072,257.55 - Step 5: Solve for x
x = 592,291,072,257.55/860,854.91 - Step 6: Final answer
x = 688,026.60
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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.