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Finding the Fourth Proportional to 525,107.60, 785,911.80 and 483,117.20

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Solution

The fourth proportional to 525,107.60, 785,911.80 and 483,117.20 is: 723,066.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,107.60 : 785,911.80 = 483,117.20 : x
  2. Step 2: Convert to fraction form
    525,107.60/785,911.80 = 483,117.20/x
  3. Step 3: Cross multiply
    525,107.60x = 785,911.80 × 483,117.20
  4. Step 4: Simplify right side
    525,107.60x = 379,687,508,262.96
  5. Step 5: Solve for x
    x = 379,687,508,262.96/525,107.60
  6. Step 6: Final answer
    x = 723,066.11

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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.