Finding the Fourth Proportional to 839,707.36, 1,158,819.62 and 513,073.44
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Solution
The fourth proportional to 839,707.36, 1,158,819.62 and 513,073.44 is: 708,055.68
Step by Step Solution
- Step 1: Write the proportion equation
839,707.36 : 1,158,819.62 = 513,073.44 : x - Step 2: Convert to fraction form
839,707.36/1,158,819.62 = 513,073.44/x - Step 3: Cross multiply
839,707.36x = 1,158,819.62 × 513,073.44 - Step 4: Simplify right side
839,707.36x = 594,559,566,207.53 - Step 5: Solve for x
x = 594,559,566,207.53/839,707.36 - Step 6: Final answer
x = 708,055.68
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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.