Finding the Fourth Proportional to 997,106.14, 1,496,036.09 and 390,328.06
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Solution
The fourth proportional to 997,106.14, 1,496,036.09 and 390,328.06 is: 585,639.62
Step by Step Solution
- Step 1: Write the proportion equation
997,106.14 : 1,496,036.09 = 390,328.06 : x - Step 2: Convert to fraction form
997,106.14/1,496,036.09 = 390,328.06/x - Step 3: Cross multiply
997,106.14x = 1,496,036.09 × 390,328.06 - Step 4: Simplify right side
997,106.14x = 583,944,864,699.69 - Step 5: Solve for x
x = 583,944,864,699.69/997,106.14 - Step 6: Final answer
x = 585,639.62
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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.