Home / 760,382.72-1,140,190.08-444,934.40

Finding the Fourth Proportional to 760,382.72, 1,140,190.08 and 444,934.40

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Solution

The fourth proportional to 760,382.72, 1,140,190.08 and 444,934.40 is: 667,176.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,382.72 : 1,140,190.08 = 444,934.40 : x
  2. Step 2: Convert to fraction form
    760,382.72/1,140,190.08 = 444,934.40/x
  3. Step 3: Cross multiply
    760,382.72x = 1,140,190.08 × 444,934.40
  4. Step 4: Simplify right side
    760,382.72x = 507,309,789,130.75
  5. Step 5: Solve for x
    x = 507,309,789,130.75/760,382.72
  6. Step 6: Final answer
    x = 667,176.90

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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.