Home / 920,808.48-1,381,329.36-255,960.48

Finding the Fourth Proportional to 920,808.48, 1,381,329.36 and 255,960.48

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Solution

The fourth proportional to 920,808.48, 1,381,329.36 and 255,960.48 is: 383,973.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    920,808.48 : 1,381,329.36 = 255,960.48 : x
  2. Step 2: Convert to fraction form
    920,808.48/1,381,329.36 = 255,960.48/x
  3. Step 3: Cross multiply
    920,808.48x = 1,381,329.36 × 255,960.48
  4. Step 4: Simplify right side
    920,808.48x = 353,565,726,023.69
  5. Step 5: Solve for x
    x = 353,565,726,023.69/920,808.48
  6. Step 6: Final answer
    x = 383,973.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.