Finding the Fourth Proportional to 520,398.24, 718,140.24 and 294,038.88
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Solution
The fourth proportional to 520,398.24, 718,140.24 and 294,038.88 is: 405,768.38
Step by Step Solution
- Step 1: Write the proportion equation
520,398.24 : 718,140.24 = 294,038.88 : x - Step 2: Convert to fraction form
520,398.24/718,140.24 = 294,038.88/x - Step 3: Cross multiply
520,398.24x = 718,140.24 × 294,038.88 - Step 4: Simplify right side
520,398.24x = 211,161,151,852.53 - Step 5: Solve for x
x = 211,161,151,852.53/520,398.24 - Step 6: Final answer
x = 405,768.38
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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.