Finding the Fourth Proportional to 947,117.34, 1,307,452.14 and 603,424.62
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Solution
The fourth proportional to 947,117.34, 1,307,452.14 and 603,424.62 is: 833,000.07
Step by Step Solution
- Step 1: Write the proportion equation
947,117.34 : 1,307,452.14 = 603,424.62 : x - Step 2: Convert to fraction form
947,117.34/1,307,452.14 = 603,424.62/x - Step 3: Cross multiply
947,117.34x = 1,307,452.14 × 603,424.62 - Step 4: Simplify right side
947,117.34x = 788,948,810,747.69 - Step 5: Solve for x
x = 788,948,810,747.69/947,117.34 - Step 6: Final answer
x = 833,000.07
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1.5x scale
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.