Finding the Fourth Proportional to 907,040.24, 1,251,684.14 and 499,103.91
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Solution
The fourth proportional to 907,040.24, 1,251,684.14 and 499,103.91 is: 688,746.12
Step by Step Solution
- Step 1: Write the proportion equation
907,040.24 : 1,251,684.14 = 499,103.91 : x - Step 2: Convert to fraction form
907,040.24/1,251,684.14 = 499,103.91/x - Step 3: Cross multiply
907,040.24x = 1,251,684.14 × 499,103.91 - Step 4: Simplify right side
907,040.24x = 624,720,445,863.47 - Step 5: Solve for x
x = 624,720,445,863.47/907,040.24 - Step 6: Final answer
x = 688,746.12
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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.