Finding the Fourth Proportional to 585,044.90, 877,567.35 and 478,756.70
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Solution
The fourth proportional to 585,044.90, 877,567.35 and 478,756.70 is: 718,135.05
Step by Step Solution
- Step 1: Write the proportion equation
585,044.90 : 877,567.35 = 478,756.70 : x - Step 2: Convert to fraction form
585,044.90/877,567.35 = 478,756.70/x - Step 3: Cross multiply
585,044.90x = 877,567.35 × 478,756.70 - Step 4: Simplify right side
585,044.90x = 420,141,248,513.75 - Step 5: Solve for x
x = 420,141,248,513.75/585,044.90 - Step 6: Final answer
x = 718,135.05
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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.