Home / 764,023.81-1,053,913.78-477,045.67

Finding the Fourth Proportional to 764,023.81, 1,053,913.78 and 477,045.67

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Solution

The fourth proportional to 764,023.81, 1,053,913.78 and 477,045.67 is: 658,048.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,023.81 : 1,053,913.78 = 477,045.67 : x
  2. Step 2: Convert to fraction form
    764,023.81/1,053,913.78 = 477,045.67/x
  3. Step 3: Cross multiply
    764,023.81x = 1,053,913.78 × 477,045.67
  4. Step 4: Simplify right side
    764,023.81x = 502,765,005,302.33
  5. Step 5: Solve for x
    x = 502,765,005,302.33/764,023.81
  6. Step 6: Final answer
    x = 658,048.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.