Home / 472,795.25-652,444.56-257,935.28

Finding the Fourth Proportional to 472,795.25, 652,444.56 and 257,935.28

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Solution

The fourth proportional to 472,795.25, 652,444.56 and 257,935.28 is: 355,943.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,795.25 : 652,444.56 = 257,935.28 : x
  2. Step 2: Convert to fraction form
    472,795.25/652,444.56 = 257,935.28/x
  3. Step 3: Cross multiply
    472,795.25x = 652,444.56 × 257,935.28
  4. Step 4: Simplify right side
    472,795.25x = 168,288,467,005.85
  5. Step 5: Solve for x
    x = 168,288,467,005.85/472,795.25
  6. Step 6: Final answer
    x = 355,943.65

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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.