Home / 472,439.39-651,969.30-257,583.04

Finding the Fourth Proportional to 472,439.39, 651,969.30 and 257,583.04

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Solution

The fourth proportional to 472,439.39, 651,969.30 and 257,583.04 is: 355,466.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,439.39 : 651,969.30 = 257,583.04 : x
  2. Step 2: Convert to fraction form
    472,439.39/651,969.30 = 257,583.04/x
  3. Step 3: Cross multiply
    472,439.39x = 651,969.30 × 257,583.04
  4. Step 4: Simplify right side
    472,439.39x = 167,936,233,616.69
  5. Step 5: Solve for x
    x = 167,936,233,616.69/472,439.39
  6. Step 6: Final answer
    x = 355,466.20

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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.