Home / 670,039.64-1,005,256.67-243,568.75

Finding the Fourth Proportional to 670,039.64, 1,005,256.67 and 243,568.75

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Solution

The fourth proportional to 670,039.64, 1,005,256.67 and 243,568.75 is: 365,424.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,039.64 : 1,005,256.67 = 243,568.75 : x
  2. Step 2: Convert to fraction form
    670,039.64/1,005,256.67 = 243,568.75/x
  3. Step 3: Cross multiply
    670,039.64x = 1,005,256.67 × 243,568.75
  4. Step 4: Simplify right side
    670,039.64x = 244,849,106,123.70
  5. Step 5: Solve for x
    x = 244,849,106,123.70/670,039.64
  6. Step 6: Final answer
    x = 365,424.81

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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.