Finding the Fourth Proportional to 905,688.52, 1,249,863.14 and 497,828.12
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Solution
The fourth proportional to 905,688.52, 1,249,863.14 and 497,828.12 is: 687,009.94
Step by Step Solution
- Step 1: Write the proportion equation
905,688.52 : 1,249,863.14 = 497,828.12 : x - Step 2: Convert to fraction form
905,688.52/1,249,863.14 = 497,828.12/x - Step 3: Cross multiply
905,688.52x = 1,249,863.14 × 497,828.12 - Step 4: Simplify right side
905,688.52x = 622,217,017,243.50 - Step 5: Solve for x
x = 622,217,017,243.50/905,688.52 - Step 6: Final answer
x = 687,009.94
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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.