Finding the Fourth Proportional to 571,012.68, 787,964.58 and 316,348.68
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Solution
The fourth proportional to 571,012.68, 787,964.58 and 316,348.68 is: 436,542.94
Step by Step Solution
- Step 1: Write the proportion equation
571,012.68 : 787,964.58 = 316,348.68 : x - Step 2: Convert to fraction form
571,012.68/787,964.58 = 316,348.68/x - Step 3: Cross multiply
571,012.68x = 787,964.58 × 316,348.68 - Step 4: Simplify right side
571,012.68x = 249,271,554,769.75 - Step 5: Solve for x
x = 249,271,554,769.75/571,012.68 - Step 6: Final answer
x = 436,542.94
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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.