Finding the Fourth Proportional to 913,602.24, 1,369,865.52 and 426,746.88
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Solution
The fourth proportional to 913,602.24, 1,369,865.52 and 426,746.88 is: 639,869.09
Step by Step Solution
- Step 1: Write the proportion equation
913,602.24 : 1,369,865.52 = 426,746.88 : x - Step 2: Convert to fraction form
913,602.24/1,369,865.52 = 426,746.88/x - Step 3: Cross multiply
913,602.24x = 1,369,865.52 × 426,746.88 - Step 4: Simplify right side
913,602.24x = 584,585,836,679.58 - Step 5: Solve for x
x = 584,585,836,679.58/913,602.24 - Step 6: Final answer
x = 639,869.09
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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.