Home / 754,914.60-1,130,403.60-487,225.80

Finding the Fourth Proportional to 754,914.60, 1,130,403.60 and 487,225.80

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Solution

The fourth proportional to 754,914.60, 1,130,403.60 and 487,225.80 is: 729,568.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,914.60 : 1,130,403.60 = 487,225.80 : x
  2. Step 2: Convert to fraction form
    754,914.60/1,130,403.60 = 487,225.80/x
  3. Step 3: Cross multiply
    754,914.60x = 1,130,403.60 × 487,225.80
  4. Step 4: Simplify right side
    754,914.60x = 550,761,798,332.88
  5. Step 5: Solve for x
    x = 550,761,798,332.88/754,914.60
  6. Step 6: Final answer
    x = 729,568.35

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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.