Home / 724,881.60-1,086,285.60-533,851.20

Finding the Fourth Proportional to 724,881.60, 1,086,285.60 and 533,851.20

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Solution

The fourth proportional to 724,881.60, 1,086,285.60 and 533,851.20 is: 800,013.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,881.60 : 1,086,285.60 = 533,851.20 : x
  2. Step 2: Convert to fraction form
    724,881.60/1,086,285.60 = 533,851.20/x
  3. Step 3: Cross multiply
    724,881.60x = 1,086,285.60 × 533,851.20
  4. Step 4: Simplify right side
    724,881.60x = 579,914,871,102.72
  5. Step 5: Solve for x
    x = 579,914,871,102.72/724,881.60
  6. Step 6: Final answer
    x = 800,013.23

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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.