Finding the Fourth Proportional to 869,352.74, 1,303,108.75 and 292,426.80
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Solution
The fourth proportional to 869,352.74, 1,303,108.75 and 292,426.80 is: 438,330.61
Step by Step Solution
- Step 1: Write the proportion equation
869,352.74 : 1,303,108.75 = 292,426.80 : x - Step 2: Convert to fraction form
869,352.74/1,303,108.75 = 292,426.80/x - Step 3: Cross multiply
869,352.74x = 1,303,108.75 × 292,426.80 - Step 4: Simplify right side
869,352.74x = 381,063,916,462.92 - Step 5: Solve for x
x = 381,063,916,462.92/869,352.74 - Step 6: Final answer
x = 438,330.61
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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.