Home / 770,210.38-1,062,939.36-430,678.54

Finding the Fourth Proportional to 770,210.38, 1,062,939.36 and 430,678.54

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Solution

The fourth proportional to 770,210.38, 1,062,939.36 and 430,678.54 is: 594,363.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,210.38 : 1,062,939.36 = 430,678.54 : x
  2. Step 2: Convert to fraction form
    770,210.38/1,062,939.36 = 430,678.54/x
  3. Step 3: Cross multiply
    770,210.38x = 1,062,939.36 × 430,678.54
  4. Step 4: Simplify right side
    770,210.38x = 457,785,171,673.33
  5. Step 5: Solve for x
    x = 457,785,171,673.33/770,210.38
  6. Step 6: Final answer
    x = 594,363.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.