Finding the Fourth Proportional to 571,630.68, 788,881.84 and 316,976.40
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Solution
The fourth proportional to 571,630.68, 788,881.84 and 316,976.40 is: 437,444.90
Step by Step Solution
- Step 1: Write the proportion equation
571,630.68 : 788,881.84 = 316,976.40 : x - Step 2: Convert to fraction form
571,630.68/788,881.84 = 316,976.40/x - Step 3: Cross multiply
571,630.68x = 788,881.84 × 316,976.40 - Step 4: Simplify right side
571,630.68x = 250,056,925,668.58 - Step 5: Solve for x
x = 250,056,925,668.58/571,630.68 - Step 6: Final answer
x = 437,444.90
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.