Home / 454,319.12-626,945.69-260,758.69

Finding the Fourth Proportional to 454,319.12, 626,945.69 and 260,758.69

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Solution

The fourth proportional to 454,319.12, 626,945.69 and 260,758.69 is: 359,838.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,319.12 : 626,945.69 = 260,758.69 : x
  2. Step 2: Convert to fraction form
    454,319.12/626,945.69 = 260,758.69/x
  3. Step 3: Cross multiply
    454,319.12x = 626,945.69 × 260,758.69
  4. Step 4: Simplify right side
    454,319.12x = 163,481,535,521.75
  5. Step 5: Solve for x
    x = 163,481,535,521.75/454,319.12
  6. Step 6: Final answer
    x = 359,838.55

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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.