Finding the Fourth Proportional to 617,637.30, 926,455.95 and 607,139.70
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Solution
The fourth proportional to 617,637.30, 926,455.95 and 607,139.70 is: 910,709.55
Step by Step Solution
- Step 1: Write the proportion equation
617,637.30 : 926,455.95 = 607,139.70 : x - Step 2: Convert to fraction form
617,637.30/926,455.95 = 607,139.70/x - Step 3: Cross multiply
617,637.30x = 926,455.95 × 607,139.70 - Step 4: Simplify right side
617,637.30x = 562,488,187,546.22 - Step 5: Solve for x
x = 562,488,187,546.22/617,637.30 - Step 6: Final answer
x = 910,709.55
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.