Finding the Fourth Proportional to 649,295.70, 973,943.55 and 538,703.70
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Solution
The fourth proportional to 649,295.70, 973,943.55 and 538,703.70 is: 808,055.55
Step by Step Solution
- Step 1: Write the proportion equation
649,295.70 : 973,943.55 = 538,703.70 : x - Step 2: Convert to fraction form
649,295.70/973,943.55 = 538,703.70/x - Step 3: Cross multiply
649,295.70x = 973,943.55 × 538,703.70 - Step 4: Simplify right side
649,295.70x = 524,666,993,976.14 - Step 5: Solve for x
x = 524,666,993,976.14/649,295.70 - Step 6: Final answer
x = 808,055.55
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1.5x scale
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.