Finding the Fourth Proportional to 898,368.51, 1,238,271.17 and 636,811.41
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Solution
The fourth proportional to 898,368.51, 1,238,271.17 and 636,811.41 is: 877,752.50
Step by Step Solution
- Step 1: Write the proportion equation
898,368.51 : 1,238,271.17 = 636,811.41 : x - Step 2: Convert to fraction form
898,368.51/1,238,271.17 = 636,811.41/x - Step 3: Cross multiply
898,368.51x = 1,238,271.17 × 636,811.41 - Step 4: Simplify right side
898,368.51x = 788,545,206,545.99 - Step 5: Solve for x
x = 788,545,206,545.99/898,368.51 - Step 6: Final answer
x = 877,752.50
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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.