Home / 960,018.20-1,440,027.30-328,875.80

Finding the Fourth Proportional to 960,018.20, 1,440,027.30 and 328,875.80

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Solution

The fourth proportional to 960,018.20, 1,440,027.30 and 328,875.80 is: 493,313.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    960,018.20 : 1,440,027.30 = 328,875.80 : x
  2. Step 2: Convert to fraction form
    960,018.20/1,440,027.30 = 328,875.80/x
  3. Step 3: Cross multiply
    960,018.20x = 1,440,027.30 × 328,875.80
  4. Step 4: Simplify right side
    960,018.20x = 473,590,130,309.34
  5. Step 5: Solve for x
    x = 473,590,130,309.34/960,018.20
  6. Step 6: Final answer
    x = 493,313.70

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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.