Finding the Fourth Proportional to 637,746.05, 880,056.27 and 396,023.42
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Solution
The fourth proportional to 637,746.05, 880,056.27 and 396,023.42 is: 546,491.65
Step by Step Solution
- Step 1: Write the proportion equation
637,746.05 : 880,056.27 = 396,023.42 : x - Step 2: Convert to fraction form
637,746.05/880,056.27 = 396,023.42/x - Step 3: Cross multiply
637,746.05x = 880,056.27 × 396,023.42 - Step 4: Simplify right side
637,746.05x = 348,522,893,837.84 - Step 5: Solve for x
x = 348,522,893,837.84/637,746.05 - Step 6: Final answer
x = 546,491.65
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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.