Home / 495,929.72-684,712.58-381,003.68

Finding the Fourth Proportional to 495,929.72, 684,712.58 and 381,003.68

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Solution

The fourth proportional to 495,929.72, 684,712.58 and 381,003.68 is: 526,038.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,929.72 : 684,712.58 = 381,003.68 : x
  2. Step 2: Convert to fraction form
    495,929.72/684,712.58 = 381,003.68/x
  3. Step 3: Cross multiply
    495,929.72x = 684,712.58 × 381,003.68
  4. Step 4: Simplify right side
    495,929.72x = 260,878,012,722.29
  5. Step 5: Solve for x
    x = 260,878,012,722.29/495,929.72
  6. Step 6: Final answer
    x = 526,038.27

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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.