Finding the Fourth Proportional to 785,382.61, 1,176,983.81 and 357,873.65
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Solution
The fourth proportional to 785,382.61, 1,176,983.81 and 357,873.65 is: 536,313.75
Step by Step Solution
- Step 1: Write the proportion equation
785,382.61 : 1,176,983.81 = 357,873.65 : x - Step 2: Convert to fraction form
785,382.61/1,176,983.81 = 357,873.65/x - Step 3: Cross multiply
785,382.61x = 1,176,983.81 × 357,873.65 - Step 4: Simplify right side
785,382.61x = 421,211,490,286.24 - Step 5: Solve for x
x = 421,211,490,286.24/785,382.61 - Step 6: Final answer
x = 536,313.75
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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.