Home / 480,163.20-662,811.84-429,774.72

Finding the Fourth Proportional to 480,163.20, 662,811.84 and 429,774.72

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Solution

The fourth proportional to 480,163.20, 662,811.84 and 429,774.72 is: 593,256.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,163.20 : 662,811.84 = 429,774.72 : x
  2. Step 2: Convert to fraction form
    480,163.20/662,811.84 = 429,774.72/x
  3. Step 3: Cross multiply
    480,163.20x = 662,811.84 × 429,774.72
  4. Step 4: Simplify right side
    480,163.20x = 284,859,772,948.69
  5. Step 5: Solve for x
    x = 284,859,772,948.69/480,163.20
  6. Step 6: Final answer
    x = 593,256.15

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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.