Home / 859,882.60-1,289,823.90-434,729.80

Finding the Fourth Proportional to 859,882.60, 1,289,823.90 and 434,729.80

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Solution

The fourth proportional to 859,882.60, 1,289,823.90 and 434,729.80 is: 652,094.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,882.60 : 1,289,823.90 = 434,729.80 : x
  2. Step 2: Convert to fraction form
    859,882.60/1,289,823.90 = 434,729.80/x
  3. Step 3: Cross multiply
    859,882.60x = 1,289,823.90 × 434,729.80
  4. Step 4: Simplify right side
    859,882.60x = 560,724,886,082.22
  5. Step 5: Solve for x
    x = 560,724,886,082.22/859,882.60
  6. Step 6: Final answer
    x = 652,094.70

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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.