Home / 764,130.79-1,054,478.24-437,432.77

Finding the Fourth Proportional to 764,130.79, 1,054,478.24 and 437,432.77

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Solution

The fourth proportional to 764,130.79, 1,054,478.24 and 437,432.77 is: 603,644.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,130.79 : 1,054,478.24 = 437,432.77 : x
  2. Step 2: Convert to fraction form
    764,130.79/1,054,478.24 = 437,432.77/x
  3. Step 3: Cross multiply
    764,130.79x = 1,054,478.24 × 437,432.77
  4. Step 4: Simplify right side
    764,130.79x = 461,263,335,885.31
  5. Step 5: Solve for x
    x = 461,263,335,885.31/764,130.79
  6. Step 6: Final answer
    x = 603,644.49

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.