Finding the Fourth Proportional to 646,085.43, 891,358.74 and 645,088.99
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Solution
The fourth proportional to 646,085.43, 891,358.74 and 645,088.99 is: 889,984.02
Step by Step Solution
- Step 1: Write the proportion equation
646,085.43 : 891,358.74 = 645,088.99 : x - Step 2: Convert to fraction form
646,085.43/891,358.74 = 645,088.99/x - Step 3: Cross multiply
646,085.43x = 891,358.74 × 645,088.99 - Step 4: Simplify right side
646,085.43x = 575,005,709,314.27 - Step 5: Solve for x
x = 575,005,709,314.27/646,085.43 - Step 6: Final answer
x = 889,984.02
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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.