Finding the Fourth Proportional to 970,116.68, 1,338,802.44 and 540,397.10
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Solution
The fourth proportional to 970,116.68, 1,338,802.44 and 540,397.10 is: 745,771.07
Step by Step Solution
- Step 1: Write the proportion equation
970,116.68 : 1,338,802.44 = 540,397.10 : x - Step 2: Convert to fraction form
970,116.68/1,338,802.44 = 540,397.10/x - Step 3: Cross multiply
970,116.68x = 1,338,802.44 × 540,397.10 - Step 4: Simplify right side
970,116.68x = 723,484,956,048.92 - Step 5: Solve for x
x = 723,484,956,048.92/970,116.68 - Step 6: Final answer
x = 745,771.07
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1.5x scale
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.