Finding the Fourth Proportional to 670,545.48, 924,974.04 and 398,701.08
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Solution
The fourth proportional to 670,545.48, 924,974.04 and 398,701.08 is: 549,982.31
Step by Step Solution
- Step 1: Write the proportion equation
670,545.48 : 924,974.04 = 398,701.08 : x - Step 2: Convert to fraction form
670,545.48/924,974.04 = 398,701.08/x - Step 3: Cross multiply
670,545.48x = 924,974.04 × 398,701.08 - Step 4: Simplify right side
670,545.48x = 368,788,148,719.96 - Step 5: Solve for x
x = 368,788,148,719.96/670,545.48 - Step 6: Final answer
x = 549,982.31
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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.