Home / 346,325.20-519,487.80-288,005.20

Finding the Fourth Proportional to 346,325.20, 519,487.80 and 288,005.20

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Solution

The fourth proportional to 346,325.20, 519,487.80 and 288,005.20 is: 432,007.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,325.20 : 519,487.80 = 288,005.20 : x
  2. Step 2: Convert to fraction form
    346,325.20/519,487.80 = 288,005.20/x
  3. Step 3: Cross multiply
    346,325.20x = 519,487.80 × 288,005.20
  4. Step 4: Simplify right side
    346,325.20x = 149,615,187,736.56
  5. Step 5: Solve for x
    x = 149,615,187,736.56/346,325.20
  6. Step 6: Final answer
    x = 432,007.80

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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.