Home / 900,895.01-1,243,235.19-492,996.83

Finding the Fourth Proportional to 900,895.01, 1,243,235.19 and 492,996.83

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Solution

The fourth proportional to 900,895.01, 1,243,235.19 and 492,996.83 is: 680,335.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    900,895.01 : 1,243,235.19 = 492,996.83 : x
  2. Step 2: Convert to fraction form
    900,895.01/1,243,235.19 = 492,996.83/x
  3. Step 3: Cross multiply
    900,895.01x = 1,243,235.19 × 492,996.83
  4. Step 4: Simplify right side
    900,895.01x = 612,911,003,247.01
  5. Step 5: Solve for x
    x = 612,911,003,247.01/900,895.01
  6. Step 6: Final answer
    x = 680,335.67

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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.