Finding the Fourth Proportional to 873,801.36, 1,205,769.12 and 486,587.58
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Solution
The fourth proportional to 873,801.36, 1,205,769.12 and 486,587.58 is: 671,448.12
Step by Step Solution
- Step 1: Write the proportion equation
873,801.36 : 1,205,769.12 = 486,587.58 : x - Step 2: Convert to fraction form
873,801.36/1,205,769.12 = 486,587.58/x - Step 3: Cross multiply
873,801.36x = 1,205,769.12 × 486,587.58 - Step 4: Simplify right side
873,801.36x = 586,712,278,139.53 - Step 5: Solve for x
x = 586,712,278,139.53/873,801.36 - Step 6: Final answer
x = 671,448.12
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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.