Home / 770,455.83-1,154,925.58-450,201.27

Finding the Fourth Proportional to 770,455.83, 1,154,925.58 and 450,201.27

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Solution

The fourth proportional to 770,455.83, 1,154,925.58 and 450,201.27 is: 674,858.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,455.83 : 1,154,925.58 = 450,201.27 : x
  2. Step 2: Convert to fraction form
    770,455.83/1,154,925.58 = 450,201.27/x
  3. Step 3: Cross multiply
    770,455.83x = 1,154,925.58 × 450,201.27
  4. Step 4: Simplify right side
    770,455.83x = 519,948,962,871.49
  5. Step 5: Solve for x
    x = 519,948,962,871.49/770,455.83
  6. Step 6: Final answer
    x = 674,858.89

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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.