Home / 952,171.20-1,428,255.36-390,810.24

Finding the Fourth Proportional to 952,171.20, 1,428,255.36 and 390,810.24

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Solution

The fourth proportional to 952,171.20, 1,428,255.36 and 390,810.24 is: 586,214.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    952,171.20 : 1,428,255.36 = 390,810.24 : x
  2. Step 2: Convert to fraction form
    952,171.20/1,428,255.36 = 390,810.24/x
  3. Step 3: Cross multiply
    952,171.20x = 1,428,255.36 × 390,810.24
  4. Step 4: Simplify right side
    952,171.20x = 558,176,820,022.89
  5. Step 5: Solve for x
    x = 558,176,820,022.89/952,171.20
  6. Step 6: Final answer
    x = 586,214.77

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Double scale
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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.