Home / 480,901.22-721,550.46-210,889.59

Finding the Fourth Proportional to 480,901.22, 721,550.46 and 210,889.59

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Solution

The fourth proportional to 480,901.22, 721,550.46 and 210,889.59 is: 316,421.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,901.22 : 721,550.46 = 210,889.59 : x
  2. Step 2: Convert to fraction form
    480,901.22/721,550.46 = 210,889.59/x
  3. Step 3: Cross multiply
    480,901.22x = 721,550.46 × 210,889.59
  4. Step 4: Simplify right side
    480,901.22x = 152,167,480,673.71
  5. Step 5: Solve for x
    x = 152,167,480,673.71/480,901.22
  6. Step 6: Final answer
    x = 316,421.49

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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.