Finding the Fourth Proportional to 839,446.18, 1,158,402 and 457,464.76
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Solution
The fourth proportional to 839,446.18, 1,158,402 and 457,464.76 is: 631,282.99
Step by Step Solution
- Step 1: Write the proportion equation
839,446.18 : 1,158,402 = 457,464.76 : x - Step 2: Convert to fraction form
839,446.18/1,158,402 = 457,464.76/x - Step 3: Cross multiply
839,446.18x = 1,158,402 × 457,464.76 - Step 4: Simplify right side
839,446.18x = 529,928,092,913.52 - Step 5: Solve for x
x = 529,928,092,913.52/839,446.18 - Step 6: Final answer
x = 631,282.99
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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.