Finding the Fourth Proportional to 517,248.06, 713,695.36 and 302,346.55
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Solution
The fourth proportional to 517,248.06, 713,695.36 and 302,346.55 is: 417,175.72
Step by Step Solution
- Step 1: Write the proportion equation
517,248.06 : 713,695.36 = 302,346.55 : x - Step 2: Convert to fraction form
517,248.06/713,695.36 = 302,346.55/x - Step 3: Cross multiply
517,248.06x = 713,695.36 × 302,346.55 - Step 4: Simplify right side
517,248.06x = 215,783,329,847.01 - Step 5: Solve for x
x = 215,783,329,847.01/517,248.06 - Step 6: Final answer
x = 417,175.72
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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.