Home / 877,023.41-1,315,581.55-278,031.30

Finding the Fourth Proportional to 877,023.41, 1,315,581.55 and 278,031.30

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Solution

The fourth proportional to 877,023.41, 1,315,581.55 and 278,031.30 is: 417,061.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,023.41 : 1,315,581.55 = 278,031.30 : x
  2. Step 2: Convert to fraction form
    877,023.41/1,315,581.55 = 278,031.30/x
  3. Step 3: Cross multiply
    877,023.41x = 1,315,581.55 × 278,031.30
  4. Step 4: Simplify right side
    877,023.41x = 365,772,848,602.52
  5. Step 5: Solve for x
    x = 365,772,848,602.52/877,023.41
  6. Step 6: Final answer
    x = 417,061.67

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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.