Home / 780,053.10-1,170,079.65-306,581.10

Finding the Fourth Proportional to 780,053.10, 1,170,079.65 and 306,581.10

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Solution

The fourth proportional to 780,053.10, 1,170,079.65 and 306,581.10 is: 459,871.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,053.10 : 1,170,079.65 = 306,581.10 : x
  2. Step 2: Convert to fraction form
    780,053.10/1,170,079.65 = 306,581.10/x
  3. Step 3: Cross multiply
    780,053.10x = 1,170,079.65 × 306,581.10
  4. Step 4: Simplify right side
    780,053.10x = 358,724,306,184.62
  5. Step 5: Solve for x
    x = 358,724,306,184.62/780,053.10
  6. Step 6: Final answer
    x = 459,871.65

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Similar ratio
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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.