Finding the Fourth Proportional to 897,118.90, 1,238,053.95 and 489,242.99
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Solution
The fourth proportional to 897,118.90, 1,238,053.95 and 489,242.99 is: 675,171.62
Step by Step Solution
- Step 1: Write the proportion equation
897,118.90 : 1,238,053.95 = 489,242.99 : x - Step 2: Convert to fraction form
897,118.90/1,238,053.95 = 489,242.99/x - Step 3: Cross multiply
897,118.90x = 1,238,053.95 × 489,242.99 - Step 4: Simplify right side
897,118.90x = 605,709,219,374.45 - Step 5: Solve for x
x = 605,709,219,374.45/897,118.90 - Step 6: Final answer
x = 675,171.62
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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.