Finding the Fourth Proportional to 896,415.93, 1,237,006.28 and 514,417.50
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Solution
The fourth proportional to 896,415.93, 1,237,006.28 and 514,417.50 is: 709,868.78
Step by Step Solution
- Step 1: Write the proportion equation
896,415.93 : 1,237,006.28 = 514,417.50 : x - Step 2: Convert to fraction form
896,415.93/1,237,006.28 = 514,417.50/x - Step 3: Cross multiply
896,415.93x = 1,237,006.28 × 514,417.50 - Step 4: Simplify right side
896,415.93x = 636,337,679,327.94 - Step 5: Solve for x
x = 636,337,679,327.94/896,415.93 - Step 6: Final answer
x = 709,868.78
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.