Finding the Fourth Proportional to 954,621.35, 1,432,328.57 and 386,404.12
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Solution
The fourth proportional to 954,621.35, 1,432,328.57 and 386,404.12 is: 579,766.69
Step by Step Solution
- Step 1: Write the proportion equation
954,621.35 : 1,432,328.57 = 386,404.12 : x - Step 2: Convert to fraction form
954,621.35/1,432,328.57 = 386,404.12/x - Step 3: Cross multiply
954,621.35x = 1,432,328.57 × 386,404.12 - Step 4: Simplify right side
954,621.35x = 553,457,660,641.71 - Step 5: Solve for x
x = 553,457,660,641.71/954,621.35 - Step 6: Final answer
x = 579,766.69
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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.