Finding the Fourth Proportional to 842,970.17, 1,163,308.02 and 460,988.75
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Solution
The fourth proportional to 842,970.17, 1,163,308.02 and 460,988.75 is: 636,169.50
Step by Step Solution
- Step 1: Write the proportion equation
842,970.17 : 1,163,308.02 = 460,988.75 : x - Step 2: Convert to fraction form
842,970.17/1,163,308.02 = 460,988.75/x - Step 3: Cross multiply
842,970.17x = 1,163,308.02 × 460,988.75 - Step 4: Simplify right side
842,970.17x = 536,271,910,004.78 - Step 5: Solve for x
x = 536,271,910,004.78/842,970.17 - Step 6: Final answer
x = 636,169.50
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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.