Finding the Fourth Proportional to 563,888.16, 778,175.64 and 309,237.12
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Solution
The fourth proportional to 563,888.16, 778,175.64 and 309,237.12 is: 426,752.70
Step by Step Solution
- Step 1: Write the proportion equation
563,888.16 : 778,175.64 = 309,237.12 : x - Step 2: Convert to fraction form
563,888.16/778,175.64 = 309,237.12/x - Step 3: Cross multiply
563,888.16x = 778,175.64 × 309,237.12 - Step 4: Simplify right side
563,888.16x = 240,640,793,767.76 - Step 5: Solve for x
x = 240,640,793,767.76/563,888.16 - Step 6: Final answer
x = 426,752.70
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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.