Finding the Fourth Proportional to 905,630.28, 1,249,797.88 and 497,724.68
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Solution
The fourth proportional to 905,630.28, 1,249,797.88 and 497,724.68 is: 686,875.50
Step by Step Solution
- Step 1: Write the proportion equation
905,630.28 : 1,249,797.88 = 497,724.68 : x - Step 2: Convert to fraction form
905,630.28/1,249,797.88 = 497,724.68/x - Step 3: Cross multiply
905,630.28x = 1,249,797.88 × 497,724.68 - Step 4: Simplify right side
905,630.28x = 622,055,249,887.68 - Step 5: Solve for x
x = 622,055,249,887.68/905,630.28 - Step 6: Final answer
x = 686,875.50
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.