Finding the Fourth Proportional to 986,015.84, 1,360,701.95 and 533,306.84
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Solution
The fourth proportional to 986,015.84, 1,360,701.95 and 533,306.84 is: 735,963.48
Step by Step Solution
- Step 1: Write the proportion equation
986,015.84 : 1,360,701.95 = 533,306.84 : x - Step 2: Convert to fraction form
986,015.84/1,360,701.95 = 533,306.84/x - Step 3: Cross multiply
986,015.84x = 1,360,701.95 × 533,306.84 - Step 4: Simplify right side
986,015.84x = 725,671,647,666.29 - Step 5: Solve for x
x = 725,671,647,666.29/986,015.84 - Step 6: Final answer
x = 735,963.48
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.