Home / 875,431.33-1,208,188.25-513,159.67

Finding the Fourth Proportional to 875,431.33, 1,208,188.25 and 513,159.67

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Solution

The fourth proportional to 875,431.33, 1,208,188.25 and 513,159.67 is: 708,214.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,431.33 : 1,208,188.25 = 513,159.67 : x
  2. Step 2: Convert to fraction form
    875,431.33/1,208,188.25 = 513,159.67/x
  3. Step 3: Cross multiply
    875,431.33x = 1,208,188.25 × 513,159.67
  4. Step 4: Simplify right side
    875,431.33x = 619,993,483,667.88
  5. Step 5: Solve for x
    x = 619,993,483,667.88/875,431.33
  6. Step 6: Final answer
    x = 708,214.87

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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.