Finding the Fourth Proportional to 708,626.64, 977,907.84 and 454,125.45
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Solution
The fourth proportional to 708,626.64, 977,907.84 and 454,125.45 is: 626,695.09
Step by Step Solution
- Step 1: Write the proportion equation
708,626.64 : 977,907.84 = 454,125.45 : x - Step 2: Convert to fraction form
708,626.64/977,907.84 = 454,125.45/x - Step 3: Cross multiply
708,626.64x = 977,907.84 × 454,125.45 - Step 4: Simplify right side
708,626.64x = 444,092,837,898.53 - Step 5: Solve for x
x = 444,092,837,898.53/708,626.64 - Step 6: Final answer
x = 626,695.09
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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.