Finding the Fourth Proportional to 715,869.12, 986,864.64 and 473,746.08
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Solution
The fourth proportional to 715,869.12, 986,864.64 and 473,746.08 is: 653,084.82
Step by Step Solution
- Step 1: Write the proportion equation
715,869.12 : 986,864.64 = 473,746.08 : x - Step 2: Convert to fraction form
715,869.12/986,864.64 = 473,746.08/x - Step 3: Cross multiply
715,869.12x = 986,864.64 × 473,746.08 - Step 4: Simplify right side
715,869.12x = 467,523,254,690.61 - Step 5: Solve for x
x = 467,523,254,690.61/715,869.12 - Step 6: Final answer
x = 653,084.82
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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.