Finding the Fourth Proportional to 785,248.16, 1,083,366.32 and 513,475.04
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Solution
The fourth proportional to 785,248.16, 1,083,366.32 and 513,475.04 is: 708,414.99
Step by Step Solution
- Step 1: Write the proportion equation
785,248.16 : 1,083,366.32 = 513,475.04 : x - Step 2: Convert to fraction form
785,248.16/1,083,366.32 = 513,475.04/x - Step 3: Cross multiply
785,248.16x = 1,083,366.32 × 513,475.04 - Step 4: Simplify right side
785,248.16x = 556,281,564,496.65 - Step 5: Solve for x
x = 556,281,564,496.65/785,248.16 - Step 6: Final answer
x = 708,414.99
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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.