Finding the Fourth Proportional to 679,306.68, 1,017,631.35 and 559,535.58
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Solution
The fourth proportional to 679,306.68, 1,017,631.35 and 559,535.58 is: 838,208.96
Step by Step Solution
- Step 1: Write the proportion equation
679,306.68 : 1,017,631.35 = 559,535.58 : x - Step 2: Convert to fraction form
679,306.68/1,017,631.35 = 559,535.58/x - Step 3: Cross multiply
679,306.68x = 1,017,631.35 × 559,535.58 - Step 4: Simplify right side
679,306.68x = 569,400,947,648.43 - Step 5: Solve for x
x = 569,400,947,648.43/679,306.68 - Step 6: Final answer
x = 838,208.96
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.