Finding the Fourth Proportional to 756,973.54, 1,137,423.14 and 569,203.19
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Solution
The fourth proportional to 756,973.54, 1,137,423.14 and 569,203.19 is: 855,280.72
Step by Step Solution
- Step 1: Write the proportion equation
756,973.54 : 1,137,423.14 = 569,203.19 : x - Step 2: Convert to fraction form
756,973.54/1,137,423.14 = 569,203.19/x - Step 3: Cross multiply
756,973.54x = 1,137,423.14 × 569,203.19 - Step 4: Simplify right side
756,973.54x = 647,424,871,134.69 - Step 5: Solve for x
x = 647,424,871,134.69/756,973.54 - Step 6: Final answer
x = 855,280.72
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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.