Home / 817,078.73-1,127,706.30-472,923.90

Finding the Fourth Proportional to 817,078.73, 1,127,706.30 and 472,923.90

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Solution

The fourth proportional to 817,078.73, 1,127,706.30 and 472,923.90 is: 652,714.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,078.73 : 1,127,706.30 = 472,923.90 : x
  2. Step 2: Convert to fraction form
    817,078.73/1,127,706.30 = 472,923.90/x
  3. Step 3: Cross multiply
    817,078.73x = 1,127,706.30 × 472,923.90
  4. Step 4: Simplify right side
    817,078.73x = 533,319,261,450.57
  5. Step 5: Solve for x
    x = 533,319,261,450.57/817,078.73
  6. Step 6: Final answer
    x = 652,714.66

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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.