Home / 775,875.16-1,163,812.74-243,438.76

Finding the Fourth Proportional to 775,875.16, 1,163,812.74 and 243,438.76

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Solution

The fourth proportional to 775,875.16, 1,163,812.74 and 243,438.76 is: 365,158.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,875.16 : 1,163,812.74 = 243,438.76 : x
  2. Step 2: Convert to fraction form
    775,875.16/1,163,812.74 = 243,438.76/x
  3. Step 3: Cross multiply
    775,875.16x = 1,163,812.74 × 243,438.76
  4. Step 4: Simplify right side
    775,875.16x = 283,317,130,297.80
  5. Step 5: Solve for x
    x = 283,317,130,297.80/775,875.16
  6. Step 6: Final answer
    x = 365,158.14

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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.