Finding the Fourth Proportional to 628,345.74, 935,863.65 and 625,283.94
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Solution
The fourth proportional to 628,345.74, 935,863.65 and 625,283.94 is: 931,303.38
Step by Step Solution
- Step 1: Write the proportion equation
628,345.74 : 935,863.65 = 625,283.94 : x - Step 2: Convert to fraction form
628,345.74/935,863.65 = 625,283.94/x - Step 3: Cross multiply
628,345.74x = 935,863.65 × 625,283.94 - Step 4: Simplify right side
628,345.74x = 585,180,510,374.78 - Step 5: Solve for x
x = 585,180,510,374.78/628,345.74 - Step 6: Final answer
x = 931,303.38
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.