Finding the Fourth Proportional to 963,574.60, 1,445,362.95 and 289,655.84
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Solution
The fourth proportional to 963,574.60, 1,445,362.95 and 289,655.84 is: 434,484.08
Step by Step Solution
- Step 1: Write the proportion equation
963,574.60 : 1,445,362.95 = 289,655.84 : x - Step 2: Convert to fraction form
963,574.60/1,445,362.95 = 289,655.84/x - Step 3: Cross multiply
963,574.60x = 1,445,362.95 × 289,655.84 - Step 4: Simplify right side
963,574.60x = 418,657,819,387.13 - Step 5: Solve for x
x = 418,657,819,387.13/963,574.60 - Step 6: Final answer
x = 434,484.08
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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.