Finding the Fourth Proportional to 526,809.60, 787,881.60 and 442,828.80
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Solution
The fourth proportional to 526,809.60, 787,881.60 and 442,828.80 is: 662,282.28
Step by Step Solution
- Step 1: Write the proportion equation
526,809.60 : 787,881.60 = 442,828.80 : x - Step 2: Convert to fraction form
526,809.60/787,881.60 = 442,828.80/x - Step 3: Cross multiply
526,809.60x = 787,881.60 × 442,828.80 - Step 4: Simplify right side
526,809.60x = 348,896,663,470.08 - Step 5: Solve for x
x = 348,896,663,470.08/526,809.60 - Step 6: Final answer
x = 662,282.28
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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.