Home / 896,415.96-1,237,031.28-488,528.31

Finding the Fourth Proportional to 896,415.96, 1,237,031.28 and 488,528.31

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Solution

The fourth proportional to 896,415.96, 1,237,031.28 and 488,528.31 is: 674,156.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    896,415.96 : 1,237,031.28 = 488,528.31 : x
  2. Step 2: Convert to fraction form
    896,415.96/1,237,031.28 = 488,528.31/x
  3. Step 3: Cross multiply
    896,415.96x = 1,237,031.28 × 488,528.31
  4. Step 4: Simplify right side
    896,415.96x = 604,324,800,635.54
  5. Step 5: Solve for x
    x = 604,324,800,635.54/896,415.96
  6. Step 6: Final answer
    x = 674,156.67

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Double scale
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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.