Finding the Fourth Proportional to 859,750.36, 1,287,943.95 and 708,165.07
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Solution
The fourth proportional to 859,750.36, 1,287,943.95 and 708,165.07 is: 1,060,862.49
Step by Step Solution
- Step 1: Write the proportion equation
859,750.36 : 1,287,943.95 = 708,165.07 : x - Step 2: Convert to fraction form
859,750.36/1,287,943.95 = 708,165.07/x - Step 3: Cross multiply
859,750.36x = 1,287,943.95 × 708,165.07 - Step 4: Simplify right side
859,750.36x = 912,076,911,646.90 - Step 5: Solve for x
x = 912,076,911,646.90/859,750.36 - Step 6: Final answer
x = 1,060,862.49
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.