Finding the Fourth Proportional to 648,475.60, 973,879.80 and 471,182.80
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Solution
The fourth proportional to 648,475.60, 973,879.80 and 471,182.80 is: 707,621.71
Step by Step Solution
- Step 1: Write the proportion equation
648,475.60 : 973,879.80 = 471,182.80 : x - Step 2: Convert to fraction form
648,475.60/973,879.80 = 471,182.80/x - Step 3: Cross multiply
648,475.60x = 973,879.80 × 471,182.80 - Step 4: Simplify right side
648,475.60x = 458,875,411,027.44 - Step 5: Solve for x
x = 458,875,411,027.44/648,475.60 - Step 6: Final answer
x = 707,621.71
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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.