Finding the Fourth Proportional to 953,695.86, 1,430,258.45 and 313,881.49
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Solution
The fourth proportional to 953,695.86, 1,430,258.45 and 313,881.49 is: 470,728.32
Step by Step Solution
- Step 1: Write the proportion equation
953,695.86 : 1,430,258.45 = 313,881.49 : x - Step 2: Convert to fraction form
953,695.86/1,430,258.45 = 313,881.49/x - Step 3: Cross multiply
953,695.86x = 1,430,258.45 × 313,881.49 - Step 4: Simplify right side
953,695.86x = 448,931,653,371.09 - Step 5: Solve for x
x = 448,931,653,371.09/953,695.86 - Step 6: Final answer
x = 470,728.32
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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.