Home / 817,321.26-1,127,885.67-473,171.77

Finding the Fourth Proportional to 817,321.26, 1,127,885.67 and 473,171.77

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Solution

The fourth proportional to 817,321.26, 1,127,885.67 and 473,171.77 is: 652,966.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,321.26 : 1,127,885.67 = 473,171.77 : x
  2. Step 2: Convert to fraction form
    817,321.26/1,127,885.67 = 473,171.77/x
  3. Step 3: Cross multiply
    817,321.26x = 1,127,885.67 × 473,171.77
  4. Step 4: Simplify right side
    817,321.26x = 533,683,658,831.54
  5. Step 5: Solve for x
    x = 533,683,658,831.54/817,321.26
  6. Step 6: Final answer
    x = 652,966.81

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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.