Finding the Fourth Proportional to 970,398.77, 1,455,397.68 and 260,258
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Solution
The fourth proportional to 970,398.77, 1,455,397.68 and 260,258 is: 390,333.23
Step by Step Solution
- Step 1: Write the proportion equation
970,398.77 : 1,455,397.68 = 260,258 : x - Step 2: Convert to fraction form
970,398.77/1,455,397.68 = 260,258/x - Step 3: Cross multiply
970,398.77x = 1,455,397.68 × 260,258 - Step 4: Simplify right side
970,398.77x = 378,778,889,401.44 - Step 5: Solve for x
x = 378,778,889,401.44/970,398.77 - Step 6: Final answer
x = 390,333.23
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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.