Home / 716,617.70-1,074,926.55-290,152.70

Finding the Fourth Proportional to 716,617.70, 1,074,926.55 and 290,152.70

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Solution

The fourth proportional to 716,617.70, 1,074,926.55 and 290,152.70 is: 435,229.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    716,617.70 : 1,074,926.55 = 290,152.70 : x
  2. Step 2: Convert to fraction form
    716,617.70/1,074,926.55 = 290,152.70/x
  3. Step 3: Cross multiply
    716,617.70x = 1,074,926.55 × 290,152.70
  4. Step 4: Simplify right side
    716,617.70x = 311,892,840,784.19
  5. Step 5: Solve for x
    x = 311,892,840,784.19/716,617.70
  6. Step 6: Final answer
    x = 435,229.05

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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.