Finding the Fourth Proportional to 842,755.05, 1,264,132.58 and 464,841.45
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Solution
The fourth proportional to 842,755.05, 1,264,132.58 and 464,841.45 is: 697,262.18
Step by Step Solution
- Step 1: Write the proportion equation
842,755.05 : 1,264,132.58 = 464,841.45 : x - Step 2: Convert to fraction form
842,755.05/1,264,132.58 = 464,841.45/x - Step 3: Cross multiply
842,755.05x = 1,264,132.58 × 464,841.45 - Step 4: Simplify right side
842,755.05x = 587,621,219,155.23 - Step 5: Solve for x
x = 587,621,219,155.23/842,755.05 - Step 6: Final answer
x = 697,262.18
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.