Home / 472,418.28-651,918.02-257,554.12

Finding the Fourth Proportional to 472,418.28, 651,918.02 and 257,554.12

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Solution

The fourth proportional to 472,418.28, 651,918.02 and 257,554.12 is: 355,414.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,418.28 : 651,918.02 = 257,554.12 : x
  2. Step 2: Convert to fraction form
    472,418.28/651,918.02 = 257,554.12/x
  3. Step 3: Cross multiply
    472,418.28x = 651,918.02 × 257,554.12
  4. Step 4: Simplify right side
    472,418.28x = 167,904,171,953.24
  5. Step 5: Solve for x
    x = 167,904,171,953.24/472,418.28
  6. Step 6: Final answer
    x = 355,414.21

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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.