Finding the Fourth Proportional to 991,927.02, 1,487,330.19 and 907,290.06
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Solution
The fourth proportional to 991,927.02, 1,487,330.19 and 907,290.06 is: 1,360,422.56
Step by Step Solution
- Step 1: Write the proportion equation
991,927.02 : 1,487,330.19 = 907,290.06 : x - Step 2: Convert to fraction form
991,927.02/1,487,330.19 = 907,290.06/x - Step 3: Cross multiply
991,927.02x = 1,487,330.19 × 907,290.06 - Step 4: Simplify right side
991,927.02x = 1,349,439,897,324.91 - Step 5: Solve for x
x = 1,349,439,897,324.91/991,927.02 - Step 6: Final answer
x = 1,360,422.56
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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.