Finding the Fourth Proportional to 785,214.92, 1,177,828.52 and 430,035.19
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Solution
The fourth proportional to 785,214.92, 1,177,828.52 and 430,035.19 is: 645,056.14
Step by Step Solution
- Step 1: Write the proportion equation
785,214.92 : 1,177,828.52 = 430,035.19 : x - Step 2: Convert to fraction form
785,214.92/1,177,828.52 = 430,035.19/x - Step 3: Cross multiply
785,214.92x = 1,177,828.52 × 430,035.19 - Step 4: Simplify right side
785,214.92x = 506,507,706,290.87 - Step 5: Solve for x
x = 506,507,706,290.87/785,214.92 - Step 6: Final answer
x = 645,056.14
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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.