Finding the Fourth Proportional to 785,207.84, 1,177,925.12 and 385,871.36
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Solution
The fourth proportional to 785,207.84, 1,177,925.12 and 385,871.36 is: 578,862.75
Step by Step Solution
- Step 1: Write the proportion equation
785,207.84 : 1,177,925.12 = 385,871.36 : x - Step 2: Convert to fraction form
785,207.84/1,177,925.12 = 385,871.36/x - Step 3: Cross multiply
785,207.84x = 1,177,925.12 × 385,871.36 - Step 4: Simplify right side
785,207.84x = 454,527,568,032.56 - Step 5: Solve for x
x = 454,527,568,032.56/785,207.84 - Step 6: Final answer
x = 578,862.75
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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.