Finding the Fourth Proportional to 570,801.70, 788,235.82 and 427,312.62
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Solution
The fourth proportional to 570,801.70, 788,235.82 and 427,312.62 is: 590,087.79
Step by Step Solution
- Step 1: Write the proportion equation
570,801.70 : 788,235.82 = 427,312.62 : x - Step 2: Convert to fraction form
570,801.70/788,235.82 = 427,312.62/x - Step 3: Cross multiply
570,801.70x = 788,235.82 × 427,312.62 - Step 4: Simplify right side
570,801.70x = 336,823,113,422.05 - Step 5: Solve for x
x = 336,823,113,422.05/570,801.70 - Step 6: Final answer
x = 590,087.79
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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.