Home / 686,053.74-1,030,023.24-349,320.67

Finding the Fourth Proportional to 686,053.74, 1,030,023.24 and 349,320.67

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Solution

The fourth proportional to 686,053.74, 1,030,023.24 and 349,320.67 is: 524,460.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    686,053.74 : 1,030,023.24 = 349,320.67 : x
  2. Step 2: Convert to fraction form
    686,053.74/1,030,023.24 = 349,320.67/x
  3. Step 3: Cross multiply
    686,053.74x = 1,030,023.24 × 349,320.67
  4. Step 4: Simplify right side
    686,053.74x = 359,808,404,427.36
  5. Step 5: Solve for x
    x = 359,808,404,427.36/686,053.74
  6. Step 6: Final answer
    x = 524,460.96

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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.