Home / 472,723.04-652,362.51-257,867.60

Finding the Fourth Proportional to 472,723.04, 652,362.51 and 257,867.60

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Solution

The fourth proportional to 472,723.04, 652,362.51 and 257,867.60 is: 355,859.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,723.04 : 652,362.51 = 257,867.60 : x
  2. Step 2: Convert to fraction form
    472,723.04/652,362.51 = 257,867.60/x
  3. Step 3: Cross multiply
    472,723.04x = 652,362.51 × 257,867.60
  4. Step 4: Simplify right side
    472,723.04x = 168,223,154,707.90
  5. Step 5: Solve for x
    x = 168,223,154,707.90/472,723.04
  6. Step 6: Final answer
    x = 355,859.86

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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.