Home / 762,744.05-1,052,510.13-456,812.60

Finding the Fourth Proportional to 762,744.05, 1,052,510.13 and 456,812.60

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Solution

The fourth proportional to 762,744.05, 1,052,510.13 and 456,812.60 is: 630,355.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,744.05 : 1,052,510.13 = 456,812.60 : x
  2. Step 2: Convert to fraction form
    762,744.05/1,052,510.13 = 456,812.60/x
  3. Step 3: Cross multiply
    762,744.05x = 1,052,510.13 × 456,812.60
  4. Step 4: Simplify right side
    762,744.05x = 480,799,883,749.09
  5. Step 5: Solve for x
    x = 480,799,883,749.09/762,744.05
  6. Step 6: Final answer
    x = 630,355.47

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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.