Finding the Fourth Proportional to 652,106.80, 978,160.20 and 589,121.20
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Solution
The fourth proportional to 652,106.80, 978,160.20 and 589,121.20 is: 883,681.80
Step by Step Solution
- Step 1: Write the proportion equation
652,106.80 : 978,160.20 = 589,121.20 : x - Step 2: Convert to fraction form
652,106.80/978,160.20 = 589,121.20/x - Step 3: Cross multiply
652,106.80x = 978,160.20 × 589,121.20 - Step 4: Simplify right side
652,106.80x = 576,254,910,816.24 - Step 5: Solve for x
x = 576,254,910,816.24/652,106.80 - Step 6: Final answer
x = 883,681.80
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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.