Finding the Fourth Proportional to 989,524.99, 1,484,283.84 and 358,291.18
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Solution
The fourth proportional to 989,524.99, 1,484,283.84 and 358,291.18 is: 537,435.45
Step by Step Solution
- Step 1: Write the proportion equation
989,524.99 : 1,484,283.84 = 358,291.18 : x - Step 2: Convert to fraction form
989,524.99/1,484,283.84 = 358,291.18/x - Step 3: Cross multiply
989,524.99x = 1,484,283.84 × 358,291.18 - Step 4: Simplify right side
989,524.99x = 531,805,808,488.53 - Step 5: Solve for x
x = 531,805,808,488.53/989,524.99 - Step 6: Final answer
x = 537,435.45
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.