Home / 669,143.40-1,003,581.40-248,320.84

Finding the Fourth Proportional to 669,143.40, 1,003,581.40 and 248,320.84

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Solution

The fourth proportional to 669,143.40, 1,003,581.40 and 248,320.84 is: 372,431.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,143.40 : 1,003,581.40 = 248,320.84 : x
  2. Step 2: Convert to fraction form
    669,143.40/1,003,581.40 = 248,320.84/x
  3. Step 3: Cross multiply
    669,143.40x = 1,003,581.40 × 248,320.84
  4. Step 4: Simplify right side
    669,143.40x = 249,210,176,256.38
  5. Step 5: Solve for x
    x = 249,210,176,256.38/669,143.40
  6. Step 6: Final answer
    x = 372,431.64

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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.