Finding the Fourth Proportional to 961,362.08, 1,440,141.02 and 781,648.10
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Solution
The fourth proportional to 961,362.08, 1,440,141.02 and 781,648.10 is: 1,170,925.63
Step by Step Solution
- Step 1: Write the proportion equation
961,362.08 : 1,440,141.02 = 781,648.10 : x - Step 2: Convert to fraction form
961,362.08/1,440,141.02 = 781,648.10/x - Step 3: Cross multiply
961,362.08x = 1,440,141.02 × 781,648.10 - Step 4: Simplify right side
961,362.08x = 1,125,683,493,634.60 - Step 5: Solve for x
x = 1,125,683,493,634.60/961,362.08 - Step 6: Final answer
x = 1,170,925.63
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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.