Finding the Fourth Proportional to 992,479.28, 1,369,312.44 and 562,725.68
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Solution
The fourth proportional to 992,479.28, 1,369,312.44 and 562,725.68 is: 776,386.26
Step by Step Solution
- Step 1: Write the proportion equation
992,479.28 : 1,369,312.44 = 562,725.68 : x - Step 2: Convert to fraction form
992,479.28/1,369,312.44 = 562,725.68/x - Step 3: Cross multiply
992,479.28x = 1,369,312.44 × 562,725.68 - Step 4: Simplify right side
992,479.28x = 770,547,273,931.46 - Step 5: Solve for x
x = 770,547,273,931.46/992,479.28 - Step 6: Final answer
x = 776,386.26
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.