Home / 960,027.80-1,440,041.70-328,962.20

Finding the Fourth Proportional to 960,027.80, 1,440,041.70 and 328,962.20

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Solution

The fourth proportional to 960,027.80, 1,440,041.70 and 328,962.20 is: 493,443.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    960,027.80 : 1,440,041.70 = 328,962.20 : x
  2. Step 2: Convert to fraction form
    960,027.80/1,440,041.70 = 328,962.20/x
  3. Step 3: Cross multiply
    960,027.80x = 1,440,041.70 × 328,962.20
  4. Step 4: Simplify right side
    960,027.80x = 473,719,285,723.74
  5. Step 5: Solve for x
    x = 473,719,285,723.74/960,027.80
  6. Step 6: Final answer
    x = 493,443.30

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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.