Finding the Fourth Proportional to 564,276.18, 778,698.99 and 309,631.62
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Solution
The fourth proportional to 564,276.18, 778,698.99 and 309,631.62 is: 427,290.46
Step by Step Solution
- Step 1: Write the proportion equation
564,276.18 : 778,698.99 = 309,631.62 : x - Step 2: Convert to fraction form
564,276.18/778,698.99 = 309,631.62/x - Step 3: Cross multiply
564,276.18x = 778,698.99 × 309,631.62 - Step 4: Simplify right side
564,276.18x = 241,109,829,766.06 - Step 5: Solve for x
x = 241,109,829,766.06/564,276.18 - Step 6: Final answer
x = 427,290.46
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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.