Home / 460,066.70-690,395.08-223,280.30

Finding the Fourth Proportional to 460,066.70, 690,395.08 and 223,280.30

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Solution

The fourth proportional to 460,066.70, 690,395.08 and 223,280.30 is: 335,063.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,066.70 : 690,395.08 = 223,280.30 : x
  2. Step 2: Convert to fraction form
    460,066.70/690,395.08 = 223,280.30/x
  3. Step 3: Cross multiply
    460,066.70x = 690,395.08 × 223,280.30
  4. Step 4: Simplify right side
    460,066.70x = 154,151,620,580.92
  5. Step 5: Solve for x
    x = 154,151,620,580.92/460,066.70
  6. Step 6: Final answer
    x = 335,063.63

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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.