Home / 960,047.20-1,440,070.80-328,866.40

Finding the Fourth Proportional to 960,047.20, 1,440,070.80 and 328,866.40

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Solution

The fourth proportional to 960,047.20, 1,440,070.80 and 328,866.40 is: 493,299.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    960,047.20 : 1,440,070.80 = 328,866.40 : x
  2. Step 2: Convert to fraction form
    960,047.20/1,440,070.80 = 328,866.40/x
  3. Step 3: Cross multiply
    960,047.20x = 1,440,070.80 × 328,866.40
  4. Step 4: Simplify right side
    960,047.20x = 473,590,899,741.12
  5. Step 5: Solve for x
    x = 473,590,899,741.12/960,047.20
  6. Step 6: Final answer
    x = 493,299.60

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Similar ratio
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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.