Home / 648,950.16-973,674.54-457,008.80

Finding the Fourth Proportional to 648,950.16, 973,674.54 and 457,008.80

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Solution

The fourth proportional to 648,950.16, 973,674.54 and 457,008.80 is: 685,688.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,950.16 : 973,674.54 = 457,008.80 : x
  2. Step 2: Convert to fraction form
    648,950.16/973,674.54 = 457,008.80/x
  3. Step 3: Cross multiply
    648,950.16x = 973,674.54 × 457,008.80
  4. Step 4: Simplify right side
    648,950.16x = 444,977,833,115.95
  5. Step 5: Solve for x
    x = 444,977,833,115.95/648,950.16
  6. Step 6: Final answer
    x = 685,688.76

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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.