Home / 840,390.44-1,258,371.32-502,630.16

Finding the Fourth Proportional to 840,390.44, 1,258,371.32 and 502,630.16

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Solution

The fourth proportional to 840,390.44, 1,258,371.32 and 502,630.16 is: 752,620.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,390.44 : 1,258,371.32 = 502,630.16 : x
  2. Step 2: Convert to fraction form
    840,390.44/1,258,371.32 = 502,630.16/x
  3. Step 3: Cross multiply
    840,390.44x = 1,258,371.32 × 502,630.16
  4. Step 4: Simplify right side
    840,390.44x = 632,495,369,106.00
  5. Step 5: Solve for x
    x = 632,495,369,106.00/840,390.44
  6. Step 6: Final answer
    x = 752,620.86

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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.