Home / 648,427.68-972,983.88-460,104.84

Finding the Fourth Proportional to 648,427.68, 972,983.88 and 460,104.84

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Solution

The fourth proportional to 648,427.68, 972,983.88 and 460,104.84 is: 690,400.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,427.68 : 972,983.88 = 460,104.84 : x
  2. Step 2: Convert to fraction form
    648,427.68/972,983.88 = 460,104.84/x
  3. Step 3: Cross multiply
    648,427.68x = 972,983.88 × 460,104.84
  4. Step 4: Simplify right side
    648,427.68x = 447,674,592,429.98
  5. Step 5: Solve for x
    x = 447,674,592,429.98/648,427.68
  6. Step 6: Final answer
    x = 690,400.19

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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.