Home / 828,897.64-1,143,831.99-466,336.78

Finding the Fourth Proportional to 828,897.64, 1,143,831.99 and 466,336.78

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Solution

The fourth proportional to 828,897.64, 1,143,831.99 and 466,336.78 is: 643,518.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,897.64 : 1,143,831.99 = 466,336.78 : x
  2. Step 2: Convert to fraction form
    828,897.64/1,143,831.99 = 466,336.78/x
  3. Step 3: Cross multiply
    828,897.64x = 1,143,831.99 × 466,336.78
  4. Step 4: Simplify right side
    828,897.64x = 533,410,927,077.59
  5. Step 5: Solve for x
    x = 533,410,927,077.59/828,897.64
  6. Step 6: Final answer
    x = 643,518.45

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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.