Home / 747,632.40-1,121,448.60-546,865.80

Finding the Fourth Proportional to 747,632.40, 1,121,448.60 and 546,865.80

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Solution

The fourth proportional to 747,632.40, 1,121,448.60 and 546,865.80 is: 820,298.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,632.40 : 1,121,448.60 = 546,865.80 : x
  2. Step 2: Convert to fraction form
    747,632.40/1,121,448.60 = 546,865.80/x
  3. Step 3: Cross multiply
    747,632.40x = 1,121,448.60 × 546,865.80
  4. Step 4: Simplify right side
    747,632.40x = 613,281,885,797.88
  5. Step 5: Solve for x
    x = 613,281,885,797.88/747,632.40
  6. Step 6: Final answer
    x = 820,298.70

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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.