Home / 876,872.83-1,209,749.95-532,578.89

Finding the Fourth Proportional to 876,872.83, 1,209,749.95 and 532,578.89

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Solution

The fourth proportional to 876,872.83, 1,209,749.95 and 532,578.89 is: 734,755.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,872.83 : 1,209,749.95 = 532,578.89 : x
  2. Step 2: Convert to fraction form
    876,872.83/1,209,749.95 = 532,578.89/x
  3. Step 3: Cross multiply
    876,872.83x = 1,209,749.95 × 532,578.89
  4. Step 4: Simplify right side
    876,872.83x = 644,287,279,499.81
  5. Step 5: Solve for x
    x = 644,287,279,499.81/876,872.83
  6. Step 6: Final answer
    x = 734,755.67

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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.