Finding the Fourth Proportional to 563,965.52, 778,284.52 and 309,316.08
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Solution
The fourth proportional to 563,965.52, 778,284.52 and 309,316.08 is: 426,862.83
Step by Step Solution
- Step 1: Write the proportion equation
563,965.52 : 778,284.52 = 309,316.08 : x - Step 2: Convert to fraction form
563,965.52/778,284.52 = 309,316.08/x - Step 3: Cross multiply
563,965.52x = 778,284.52 × 309,316.08 - Step 4: Simplify right side
563,965.52x = 240,735,916,851.08 - Step 5: Solve for x
x = 240,735,916,851.08/563,965.52 - Step 6: Final answer
x = 426,862.83
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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.