Home / 397,499.28-596,478.56-210,510.80

Finding the Fourth Proportional to 397,499.28, 596,478.56 and 210,510.80

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Solution

The fourth proportional to 397,499.28, 596,478.56 and 210,510.80 is: 315,887.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,499.28 : 596,478.56 = 210,510.80 : x
  2. Step 2: Convert to fraction form
    397,499.28/596,478.56 = 210,510.80/x
  3. Step 3: Cross multiply
    397,499.28x = 596,478.56 × 210,510.80
  4. Step 4: Simplify right side
    397,499.28x = 125,565,178,848.45
  5. Step 5: Solve for x
    x = 125,565,178,848.45/397,499.28
  6. Step 6: Final answer
    x = 315,887.81

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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.