Home / 900,100.87-1,241,553.92-577,299.67

Finding the Fourth Proportional to 900,100.87, 1,241,553.92 and 577,299.67

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Solution

The fourth proportional to 900,100.87, 1,241,553.92 and 577,299.67 is: 796,298.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    900,100.87 : 1,241,553.92 = 577,299.67 : x
  2. Step 2: Convert to fraction form
    900,100.87/1,241,553.92 = 577,299.67/x
  3. Step 3: Cross multiply
    900,100.87x = 1,241,553.92 × 577,299.67
  4. Step 4: Simplify right side
    900,100.87x = 716,748,668,303.21
  5. Step 5: Solve for x
    x = 716,748,668,303.21/900,100.87
  6. Step 6: Final answer
    x = 796,298.16

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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.