Finding the Fourth Proportional to 993,031.72, 1,370,343.42 and 563,302.62
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Solution
The fourth proportional to 993,031.72, 1,370,343.42 and 563,302.62 is: 777,334.73
Step by Step Solution
- Step 1: Write the proportion equation
993,031.72 : 1,370,343.42 = 563,302.62 : x - Step 2: Convert to fraction form
993,031.72/1,370,343.42 = 563,302.62/x - Step 3: Cross multiply
993,031.72x = 1,370,343.42 × 563,302.62 - Step 4: Simplify right side
993,031.72x = 771,918,038,785.76 - Step 5: Solve for x
x = 771,918,038,785.76/993,031.72 - Step 6: Final answer
x = 777,334.73
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.