Finding the Fourth Proportional to 693,730.60, 957,342.42 and 487,289.08
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Solution
The fourth proportional to 693,730.60, 957,342.42 and 487,289.08 is: 672,454.85
Step by Step Solution
- Step 1: Write the proportion equation
693,730.60 : 957,342.42 = 487,289.08 : x - Step 2: Convert to fraction form
693,730.60/957,342.42 = 487,289.08/x - Step 3: Cross multiply
693,730.60x = 957,342.42 × 487,289.08 - Step 4: Simplify right side
693,730.60x = 466,502,507,086.77 - Step 5: Solve for x
x = 466,502,507,086.77/693,730.60 - Step 6: Final answer
x = 672,454.85
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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.