Finding the Fourth Proportional to 553,774.12, 764,208.75 and 299,125.51
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Solution
The fourth proportional to 553,774.12, 764,208.75 and 299,125.51 is: 412,793.45
Step by Step Solution
- Step 1: Write the proportion equation
553,774.12 : 764,208.75 = 299,125.51 : x - Step 2: Convert to fraction form
553,774.12/764,208.75 = 299,125.51/x - Step 3: Cross multiply
553,774.12x = 764,208.75 × 299,125.51 - Step 4: Simplify right side
553,774.12x = 228,594,332,090.21 - Step 5: Solve for x
x = 228,594,332,090.21/553,774.12 - Step 6: Final answer
x = 412,793.45
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1.5x scale
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.