Finding the Fourth Proportional to 525,688.32, 725,449.68 and 283,970.91
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Solution
The fourth proportional to 525,688.32, 725,449.68 and 283,970.91 is: 391,879.75
Step by Step Solution
- Step 1: Write the proportion equation
525,688.32 : 725,449.68 = 283,970.91 : x - Step 2: Convert to fraction form
525,688.32/725,449.68 = 283,970.91/x - Step 3: Cross multiply
525,688.32x = 725,449.68 × 283,970.91 - Step 4: Simplify right side
525,688.32x = 206,006,605,788.81 - Step 5: Solve for x
x = 206,006,605,788.81/525,688.32 - Step 6: Final answer
x = 391,879.75
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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.