Home / 460,037.20-688,743.60-407,549.20

Finding the Fourth Proportional to 460,037.20, 688,743.60 and 407,549.20

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Solution

The fourth proportional to 460,037.20, 688,743.60 and 407,549.20 is: 610,161.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,037.20 : 688,743.60 = 407,549.20 : x
  2. Step 2: Convert to fraction form
    460,037.20/688,743.60 = 407,549.20/x
  3. Step 3: Cross multiply
    460,037.20x = 688,743.60 × 407,549.20
  4. Step 4: Simplify right side
    460,037.20x = 280,696,903,185.12
  5. Step 5: Solve for x
    x = 280,696,903,185.12/460,037.20
  6. Step 6: Final answer
    x = 610,161.32

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.