Finding the Fourth Proportional to 563,911.57, 778,125.99 and 322,209.80
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Solution
The fourth proportional to 563,911.57, 778,125.99 and 322,209.80 is: 444,608.40
Step by Step Solution
- Step 1: Write the proportion equation
563,911.57 : 778,125.99 = 322,209.80 : x - Step 2: Convert to fraction form
563,911.57/778,125.99 = 322,209.80/x - Step 3: Cross multiply
563,911.57x = 778,125.99 × 322,209.80 - Step 4: Simplify right side
563,911.57x = 250,719,819,848.33 - Step 5: Solve for x
x = 250,719,819,848.33/563,911.57 - Step 6: Final answer
x = 444,608.40
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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.