Home / 688,463.40-1,031,199.62-332,731.36

Finding the Fourth Proportional to 688,463.40, 1,031,199.62 and 332,731.36

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Solution

The fourth proportional to 688,463.40, 1,031,199.62 and 332,731.36 is: 498,374.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,463.40 : 1,031,199.62 = 332,731.36 : x
  2. Step 2: Convert to fraction form
    688,463.40/1,031,199.62 = 332,731.36/x
  3. Step 3: Cross multiply
    688,463.40x = 1,031,199.62 × 332,731.36
  4. Step 4: Simplify right side
    688,463.40x = 343,112,451,994.08
  5. Step 5: Solve for x
    x = 343,112,451,994.08/688,463.40
  6. Step 6: Final answer
    x = 498,374.28

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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.