Home / 831,923.40-1,248,023.05-292,039.67

Finding the Fourth Proportional to 831,923.40, 1,248,023.05 and 292,039.67

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Solution

The fourth proportional to 831,923.40, 1,248,023.05 and 292,039.67 is: 438,107.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,923.40 : 1,248,023.05 = 292,039.67 : x
  2. Step 2: Convert to fraction form
    831,923.40/1,248,023.05 = 292,039.67/x
  3. Step 3: Cross multiply
    831,923.40x = 1,248,023.05 × 292,039.67
  4. Step 4: Simplify right side
    831,923.40x = 364,472,235,342.58
  5. Step 5: Solve for x
    x = 364,472,235,342.58/831,923.40
  6. Step 6: Final answer
    x = 438,107.93

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Double scale
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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.