Home / 935,019.20-1,402,601.70-402,557.60

Finding the Fourth Proportional to 935,019.20, 1,402,601.70 and 402,557.60

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Solution

The fourth proportional to 935,019.20, 1,402,601.70 and 402,557.60 is: 603,867.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,019.20 : 1,402,601.70 = 402,557.60 : x
  2. Step 2: Convert to fraction form
    935,019.20/1,402,601.70 = 402,557.60/x
  3. Step 3: Cross multiply
    935,019.20x = 1,402,601.70 × 402,557.60
  4. Step 4: Simplify right side
    935,019.20x = 564,627,974,107.92
  5. Step 5: Solve for x
    x = 564,627,974,107.92/935,019.20
  6. Step 6: Final answer
    x = 603,867.79

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1.5x scale

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.