Home / 842,734.60-1,162,688.88-479,901.17

Finding the Fourth Proportional to 842,734.60, 1,162,688.88 and 479,901.17

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Solution

The fourth proportional to 842,734.60, 1,162,688.88 and 479,901.17 is: 662,101.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,734.60 : 1,162,688.88 = 479,901.17 : x
  2. Step 2: Convert to fraction form
    842,734.60/1,162,688.88 = 479,901.17/x
  3. Step 3: Cross multiply
    842,734.60x = 1,162,688.88 × 479,901.17
  4. Step 4: Simplify right side
    842,734.60x = 557,975,758,564.34
  5. Step 5: Solve for x
    x = 557,975,758,564.34/842,734.60
  6. Step 6: Final answer
    x = 662,101.40

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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.