Finding the Fourth Proportional to 869,347.92, 1,303,101.53 and 292,421.99
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Solution
The fourth proportional to 869,347.92, 1,303,101.53 and 292,421.99 is: 438,323.41
Step by Step Solution
- Step 1: Write the proportion equation
869,347.92 : 1,303,101.53 = 292,421.99 : x - Step 2: Convert to fraction form
869,347.92/1,303,101.53 = 292,421.99/x - Step 3: Cross multiply
869,347.92x = 1,303,101.53 × 292,421.99 - Step 4: Simplify right side
869,347.92x = 381,055,545,466.87 - Step 5: Solve for x
x = 381,055,545,466.87/869,347.92 - Step 6: Final answer
x = 438,323.41
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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.