Home / 775,585.68-1,162,750.95-348,808.95

Finding the Fourth Proportional to 775,585.68, 1,162,750.95 and 348,808.95

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Solution

The fourth proportional to 775,585.68, 1,162,750.95 and 348,808.95 is: 522,931.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,585.68 : 1,162,750.95 = 348,808.95 : x
  2. Step 2: Convert to fraction form
    775,585.68/1,162,750.95 = 348,808.95/x
  3. Step 3: Cross multiply
    775,585.68x = 1,162,750.95 × 348,808.95
  4. Step 4: Simplify right side
    775,585.68x = 405,577,937,981.00
  5. Step 5: Solve for x
    x = 405,577,937,981.00/775,585.68
  6. Step 6: Final answer
    x = 522,931.18

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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.