Home / 842,290.70-1,162,031.54-519,440.36

Finding the Fourth Proportional to 842,290.70, 1,162,031.54 and 519,440.36

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Solution

The fourth proportional to 842,290.70, 1,162,031.54 and 519,440.36 is: 716,624.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,290.70 : 1,162,031.54 = 519,440.36 : x
  2. Step 2: Convert to fraction form
    842,290.70/1,162,031.54 = 519,440.36/x
  3. Step 3: Cross multiply
    842,290.70x = 1,162,031.54 × 519,440.36
  4. Step 4: Simplify right side
    842,290.70x = 603,606,073,061.60
  5. Step 5: Solve for x
    x = 603,606,073,061.60/842,290.70
  6. Step 6: Final answer
    x = 716,624.41

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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.