Home / 648,025.80-970,337.70-457,457.10

Finding the Fourth Proportional to 648,025.80, 970,337.70 and 457,457.10

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Solution

The fourth proportional to 648,025.80, 970,337.70 and 457,457.10 is: 684,984.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,025.80 : 970,337.70 = 457,457.10 : x
  2. Step 2: Convert to fraction form
    648,025.80/970,337.70 = 457,457.10/x
  3. Step 3: Cross multiply
    648,025.80x = 970,337.70 × 457,457.10
  4. Step 4: Simplify right side
    648,025.80x = 443,887,870,262.67
  5. Step 5: Solve for x
    x = 443,887,870,262.67/648,025.80
  6. Step 6: Final answer
    x = 684,984.87

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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.