Finding the Fourth Proportional to 695,283.28, 959,504.52 and 453,720.40
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Solution
The fourth proportional to 695,283.28, 959,504.52 and 453,720.40 is: 626,143.02
Step by Step Solution
- Step 1: Write the proportion equation
695,283.28 : 959,504.52 = 453,720.40 : x - Step 2: Convert to fraction form
695,283.28/959,504.52 = 453,720.40/x - Step 3: Cross multiply
695,283.28x = 959,504.52 × 453,720.40 - Step 4: Simplify right side
695,283.28x = 435,346,774,616.21 - Step 5: Solve for x
x = 435,346,774,616.21/695,283.28 - Step 6: Final answer
x = 626,143.02
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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.