Finding the Fourth Proportional to 570,070.79, 853,401.40 and 344,749.31
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Solution
The fourth proportional to 570,070.79, 853,401.40 and 344,749.31 is: 516,092.99
Step by Step Solution
- Step 1: Write the proportion equation
570,070.79 : 853,401.40 = 344,749.31 : x - Step 2: Convert to fraction form
570,070.79/853,401.40 = 344,749.31/x - Step 3: Cross multiply
570,070.79x = 853,401.40 × 344,749.31 - Step 4: Simplify right side
570,070.79x = 294,209,538,674.15 - Step 5: Solve for x
x = 294,209,538,674.15/570,070.79 - Step 6: Final answer
x = 516,092.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.