Finding the Fourth Proportional to 722,014.23, 996,547.10 and 480,306.99
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Solution
The fourth proportional to 722,014.23, 996,547.10 and 480,306.99 is: 662,935.04
Step by Step Solution
- Step 1: Write the proportion equation
722,014.23 : 996,547.10 = 480,306.99 : x - Step 2: Convert to fraction form
722,014.23/996,547.10 = 480,306.99/x - Step 3: Cross multiply
722,014.23x = 996,547.10 × 480,306.99 - Step 4: Simplify right side
722,014.23x = 478,648,535,592.69 - Step 5: Solve for x
x = 478,648,535,592.69/722,014.23 - Step 6: Final answer
x = 662,935.04
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1.5x scale
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.