Home / 768,350.70-1,151,748.45-452,645.10

Finding the Fourth Proportional to 768,350.70, 1,151,748.45 and 452,645.10

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Solution

The fourth proportional to 768,350.70, 1,151,748.45 and 452,645.10 is: 678,509.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,350.70 : 1,151,748.45 = 452,645.10 : x
  2. Step 2: Convert to fraction form
    768,350.70/1,151,748.45 = 452,645.10/x
  3. Step 3: Cross multiply
    768,350.70x = 1,151,748.45 × 452,645.10
  4. Step 4: Simplify right side
    768,350.70x = 521,333,292,325.10
  5. Step 5: Solve for x
    x = 521,333,292,325.10/768,350.70
  6. Step 6: Final answer
    x = 678,509.56

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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.