Finding the Fourth Proportional to 570,605.16, 787,368.12 and 328,884.96
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Solution
The fourth proportional to 570,605.16, 787,368.12 and 328,884.96 is: 453,822.63
Step by Step Solution
- Step 1: Write the proportion equation
570,605.16 : 787,368.12 = 328,884.96 : x - Step 2: Convert to fraction form
570,605.16/787,368.12 = 328,884.96/x - Step 3: Cross multiply
570,605.16x = 787,368.12 × 328,884.96 - Step 4: Simplify right side
570,605.16x = 258,953,532,651.48 - Step 5: Solve for x
x = 258,953,532,651.48/570,605.16 - Step 6: Final answer
x = 453,822.63
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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.