Finding the Fourth Proportional to 679,329.68, 935,854.68 and 474,998.28
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Solution
The fourth proportional to 679,329.68, 935,854.68 and 474,998.28 is: 654,364.70
Step by Step Solution
- Step 1: Write the proportion equation
679,329.68 : 935,854.68 = 474,998.28 : x - Step 2: Convert to fraction form
679,329.68/935,854.68 = 474,998.28/x - Step 3: Cross multiply
679,329.68x = 935,854.68 × 474,998.28 - Step 4: Simplify right side
679,329.68x = 444,529,363,329.95 - Step 5: Solve for x
x = 444,529,363,329.95/679,329.68 - Step 6: Final answer
x = 654,364.70
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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.