Finding the Fourth Proportional to 585,746.70, 877,617.08 and 319,693.91
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Solution
The fourth proportional to 585,746.70, 877,617.08 and 319,693.91 is: 478,993.45
Step by Step Solution
- Step 1: Write the proportion equation
585,746.70 : 877,617.08 = 319,693.91 : x - Step 2: Convert to fraction form
585,746.70/877,617.08 = 319,693.91/x - Step 3: Cross multiply
585,746.70x = 877,617.08 × 319,693.91 - Step 4: Simplify right side
585,746.70x = 280,568,829,801.43 - Step 5: Solve for x
x = 280,568,829,801.43/585,746.70 - Step 6: Final answer
x = 478,993.45
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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.