Finding the Fourth Proportional to 1,439,854.77, 2,159,545.73 and 480,317.75
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Solution
The fourth proportional to 1,439,854.77, 2,159,545.73 and 480,317.75 is: 720,397.75
Step by Step Solution
- Step 1: Write the proportion equation
1,439,854.77 : 2,159,545.73 = 480,317.75 : x - Step 2: Convert to fraction form
1,439,854.77/2,159,545.73 = 480,317.75/x - Step 3: Cross multiply
1,439,854.77x = 2,159,545.73 × 480,317.75 - Step 4: Simplify right side
1,439,854.77x = 1,037,268,132,856.39 - Step 5: Solve for x
x = 1,037,268,132,856.39/1,439,854.77 - Step 6: Final answer
x = 720,397.75
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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.