Finding the Fourth Proportional to 746,381.41, 1,029,681.99 and 474,303.63
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Solution
The fourth proportional to 746,381.41, 1,029,681.99 and 474,303.63 is: 654,332.88
Step by Step Solution
- Step 1: Write the proportion equation
746,381.41 : 1,029,681.99 = 474,303.63 : x - Step 2: Convert to fraction form
746,381.41/1,029,681.99 = 474,303.63/x - Step 3: Cross multiply
746,381.41x = 1,029,681.99 × 474,303.63 - Step 4: Simplify right side
746,381.41x = 488,381,900,454.21 - Step 5: Solve for x
x = 488,381,900,454.21/746,381.41 - Step 6: Final answer
x = 654,332.88
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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.